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SECTION 07 41 13METAL ROOF PANELSDisplay hidden notes to specifier. (Don't know how? Click Here) Copyright 2020 ARCAT, Inc. - All rights reserved** NOTE TO SPECIFIER ** Garland Company, Inc. (The); Metal Roof Panel products..This section is based on the products of Garland Company, Inc. (The), which is located at:3800 E. 91st St.Cleveland, OH 44105Toll Free Tel: 800-321-9336Tel: 216-641-7500Fax: 216-641-0633Email: request info (tdiamond@)Web: [ Click Here ] for additional information.Garland's metal solutions combine watertight integrity, aesthetic versatility, and intelligent sustainability to meet the widest possible range of functional and aesthetic requirements. Our flagship structural standing seam metal roofing system provides the highest performance in windstorm and water penetration in the industry. We also offer a complete range of metal trim, termination, and flashing systems, as well as fully integrated wall systems.
GENERAL
SECTION INCLUDES
** NOTE TO SPECIFIER ** Delete items below not required for project.
Standing seam metal roofing system.
Standing seam metal roofing accessories.
Flat metal roofing system.
Flat metal roofing accessories.
Metal roofing edge metal and flashing.
Metal roofing accessories.
RELATED SECTIONS
** NOTE TO SPECIFIER ** Delete any sections below not relevant to this project; add others as required.
Section 05 31 23 - Steel Roof Decking.
Section 05 40 00 - Cold-Formed Metal Framing
Section 06 11 00 - Wood Framing.
Section 06 15 00 - Wood Decking.
Section 07 22 16 - Roof Board Insulation.
Section 07 52 00 - Modified Bituminous Membrane Roofing
Section 07 56 00 - Fluid Applied Roofing
Section 07 62 00 - Sheet Metal Flashing and Trim.
Section 07 71 23 - Manufactured Gutters and Downspouts
Section 07 90 00 - Joint Protection
Section 33 79 93 - Site Lightning Protection.
REFERENCES
** NOTE TO SPECIFIER ** Delete references from the list below that are not actually required by the text of the edited section.
ASTM A 240 - Standard Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications.
ASTM A 653/A 653M - Standard Specification for Steel Sheet, Zinc-Coated (Galvanized) or Zinc-Iron Alloy-Coated (Galvannealed) by the Hot-Dip Process.
ASTM A 792/A 792M - Standard Specification for Steel Sheet, 55% Aluminum-Zinc Alloy-Coated by the Hot-Dip Process.
ASTM A 875 - Standard Specification for Steel Sheet, Zinc-5 % Aluminum Alloy-Coated by the Hot-Dip Process
ASTM B 101 - Standard Specification for Lead-Coated Copper Sheet and Strip for Building Construction.
ASTM B 209 - Standard Specification for Aluminum and Aluminum-Alloy Sheet and Plate.
ASTM B 370 - Standard Specification for Copper Sheet and Strip for Building Construction.
ASTM D 226 - Standard Specification for Asphalt-Saturated Organic Felt Used in Roofing and Waterproofing.
ASTM D 1056 - Standard Specification for Flexible Cellular Materials - Sponge or Expanded Rubber.
ASTM D 2178 - Standard Specification for Asphalt Glass Felt Used in Roofing and Waterproofing.
ASTM D 3575 - Standard Test Methods for Flexible Cellular Materials made from Olefin Polymers.
ASTM E 84 - Standard Test for Surface Burning Characteristics of Building Materials.
ASTM E 283 - Standard Test Method for Rate of Air Leakage Through Exterior Windows, Curtain Walls, and Doors Under Specified Pressure Differences Across the Specimen.
ASTM E 331 - Standard Test Method for Water Penetration of Exterior Windows, Curtain Walls, and Doors by Uniform Static Air Pressure Difference.
ASTM E 1592 - Standard Test Method for Structural Performance of Sheet Metal Roof and Siding Systems by Uniform Static Air Pressure Difference.
ASTM E 1646 - Standard Test Method for Water Penetration of Exterior Metal Roof Panel Systems by Uniform Static Air Pressure Difference.
ASTM E 1680 - Standard Test Method for Rate of Air Leakage Through Exterior Metal Roof Panel Systems.
ASTM E 2140 - Standard Test Method for Water Penetration of Metal Roof Panel Systems by Static Water Pressure Head.
AAMA 501.1 - Standard Test Method for Water Penetration of Windows, Curtain Walls and Doors Using Dynamic Pressure.
ASCE 7 - Minimum Design Loads for Buildings and Other Structures.
FM 4470 Approval Standard for Class 1 Panel Roofs.
FM 4471 - Class 1 Panel Roof; Factory Mutual Research Corporation.
UL 263 - Fire Tests of Building Constructions and Materials.
UL 580 - Standard for Tests for Uplift Resistance of Roof Assemblies.
UL 790 - Standard Test Methods for Fire Tests of Roof Coverings.
UL 1897 - Uplift Test for Roof Covering Systems.
ICC-ES AC166 - Test Procedure for Wind Driven Rain Resistance of Metal Roof Coverings.
SMACNA - Architectural Sheet Metal Manual.
National Coil Coating Association (NCCA)
NRCA - The NRCA Roofing and Waterproofing Manual.
DESIGN / PERFORMANCE REQUIREMENTS
** NOTE TO SPECIFIER ** Coordinate the following paragraphs with the local Building Code and Owner's Insurance underwriters as required. Select the paragraphs for the System(s) specified from the following paragraphs and delete those not required.
Standing Seam Roofing System: R-Mer Shield
Thermal Expansion and Contraction:
Completed metal roofing and flashing system shall be capable of withstanding expansion and contraction of components caused by changes in temperature without buckling, producing excess stress on structure, anchors or fasteners, or reducing performance ability.
Design temperature differential shall be not less then 200 degrees F.
Interface between panel and toprail/clip shall provide for unlimited thermal movement in each direction along the longitudinal direction.
Location of metal roofing rigid connector shall be at roof ridge unless otherwise approved by the manufacturer. Metal ridge connector may require design as per job conditions by specified manufacturer.
** NOTE TO SPECIFIER ** Each of the following is necessary to determine the appropriate design wind pressure and other loads for roof components. Please contact a Garland sales representative for assistance in determining the proper wind uplift design criteria.
Uniform Wind Load Capacity:
Installed roof system shall withstand negative (uplift) design wind loading pressures complying with the following criteria.
Design Code: ASCE 7, Method 2 for Components and Cladding.
Safety Factor: 1.67 after any load reduction or material stress increase.
Category ___ Building with an Importance Factor of ___.
Wind Speed: ___ mph.
Ultimate Pullout Value: ___ pounds per each of the two fasteners holding the panel anchor to the roof decking or framing system.
Exposure Category: ___.
Design Roof Height: ___ feet.
Minimum Building Width: ___ feet.
Roof Pitch: ___ inches per foot.
Roof Area Design Uplift Pressure:
Zone 1 - Field of roof ___ psf.
Zone 2 - Eaves, ridges, hips, and rakes ___ psf.
Zone 3 - Corners ___ psf.
ASTM E 1592: Capacity shall be determined using pleated airbag method in accordance with ASTM E 1592, testing of sheet metal roof panels. Allowable safe working loads shall be determined by dividing the ultimate test load by the safety factor specified above.
Uniform Positive Load Capacity.
Installed roof system shall be capable of resisting the following positive uniform roof loads: Roof Live Load of 20 psf; Roof Snow Load of ___ psf.
** NOTE TO SPECIFIER ** Delete the following paragraph if the project is new construction. If the project is retrofit or tear off, and weight is being added, then a licensed structural engineer must review and approve the application through a structural evaluation of the roof structure. Coordinate with Submittals.
Dead Load: Loading of the roof structure, due to tear off of existing, and/or installation of new roofing materials shall not exceed the present loading due to weight of the existing roofing system.
ASTM E 1680: Static pressure air infiltration (roof panels):
Pressure Leakage Rate:
1.57 PSF 0.034 cfm/sq.ft.
6.24 PSF 0.048 cfm/sq.ft.
12.0 PSF 0.051 cfm/sq.ft.
20.0 PSF 0.010 cfm/sq.ft.
ASTM E 1646: Static pressure water infiltration (roof panels):
Pressure Result:
5 Gal. /Hr. per S.F. and Static No Leakage
Pressure of 12.0 Psf for 15 minutes
Capacities for gauge, span or loading other than those tested may be determined by interpolation of test results within the range of test data. Extrapolations for conditions outside test range are not acceptable.
Standing Seam Roofing System: R-Mer Span
Thermal Expansion and Contraction:
Completed metal roofing and flashing system shall be capable of withstanding expansion and contraction of components caused by changes in temperature without buckling, producing excess stress on structure, anchors or fasteners, or reducing performance ability.
Design temperature differential shall be not less then 200 degrees F.
Interface between panel and clip shall provide for unlimited thermal movement in each direction along the longitudinal direction.
Location of metal roofing rigid connector shall be at roof ridge unless otherwise approved by the Project Architect. Metal ridge connector may require design as per job conditions by specified manufacturer.
** NOTE TO SPECIFIER ** Each of the following is necessary to determine the appropriate design wind pressure and other loads for roof components. Please contact a Garland sales representative for assistance in determining the proper wind uplift design criteria.
Uniform Wind Load Capacity:
Installed roof system shall withstand negative (uplift) design wind loading pressures complying with the following criteria.
Design Code: ASCE 7, Method 2 for Components and Cladding.
Safety Factor: 1.67 after any load reduction or material stress increase.
Category ___ Building with an Importance Factor of ___.
Wind Speed: ___ mph.
Ultimate Pullout Value: ___ pounds per each of the two fasteners holding the panel anchor to the roof decking or framing system.
Exposure Category: ___.
Design Roof Height: ___ feet.
Minimum Building Width: ___ feet.
Roof Pitch: ___ inches per foot.
Roof Area Design Uplift Pressure:
Zone 1 - Field of roof ___ psf.
Zone 2 - Eaves, ridges, hips, and rakes ___ psf.
Zone 3 - Corners ___ psf.
** NOTE TO SPECIFIER ** Delete the following paragraph if UL 580 or FM 4471 is specified.
ASTM E 1592: Capacity shall be determined using pleated airbag method in accordance with ASTM E 1592, testing of sheet metal roof panels. Allowable safe working loads shall be determined by dividing the ultimate test load by the safety factor specified above.
** NOTE TO SPECIFIER ** Delete the following paragraph if ASTM E 1592 or FM 4471 is specified.
Underwriters' Laboratories, Inc., (UL), wind uplift resistance classification: Roof assembly shall be classified as Class 1-90, as defined by UL 580
** NOTE TO SPECIFIER ** Delete FM 4471 if project is not insured by Factory Mutual, and if ASTM E1592 or UL 580 is used. Factory Mutual Research Corporation (FM) requires rigorous testing procedures to determine resistance to wind uplift, fire, foot traffic, and hail impact. Buildings that are insured by a Factory Mutual member company are required to comply with a specific FM rating level. Other buildings may also benefit from specifying Factory Mutual as a required performance criteria. R-Mer Span is available with various FM listed ratings. Please contact a Garland sales representative for the applicable rating requirement and listed roofing system. Delete the following paragraph if not applicable for your project.
FM 4471: Submit test report for negative wind uplift pressures no less than that specified. Roof system must have approval over the substrate specified.
Uniform Positive Load Capacity.
Installed roof system shall be capable of resisting the following positive uniform roof loads: Roof Live Load of 20 psf; Roof Snow Load of ___ psf.
** NOTE TO SPECIFIER ** Delete the following paragraph if the project is new construction. If the project is retrofit or tear off, and weight is being added, then a licensed structural engineer must review and approve the application through a structural evaluation of the roof structure. Coordinate with Submittals.
Dead Load: Loading of the roof structure, due to tear off of existing, and/or installation of new roofing materials shall not exceed the present loading due to weight of the existing roofing system.
Installed roof system shall carry positive uniform design loads with a maximum system deflection of L/180 as measured at the rib (web) of the panel.
** NOTE TO SPECIFIER ** Delete the following two paragraphs if UL is not specified.
Underwriters' Laboratories, Inc., (UL):
Underwriters' Laboratories, Inc., (UL) fire resistance P ratings for roof assemblies: If applicable, panel system shall be approved for use in an appropriate Construction Assembly, as defined by UL 263.
Underwriters' Laboratories, Inc., (UL) Class A fire rating per UL 790.
* NOTE TO SPECIFIER ** The following two paragraphs will apply only in conditions where the roof panel is being used as a wall panel. Delete the following 2 paragraphs if this is not applicable.
ASTM E 283: Static pressure air infiltration (doors, windows, curtain walls):
Pressure Leakage Rate
1.57 PSF 0.0007 cfm/sq.ft.
6.24 PSF 0.0002 cfm/sq.ft.
20.0 PSF 0.0036 cfm/sq.ft.
ASTM E 331: Static pressure water infiltration (doors, windows, curtain walls):
Pressure Result:
5 Gal. /Hr. per S.F. and Static No Leakage
Pressure of 20.0 Psf. for 15 minutes
ASTM E 1680: Static pressure air infiltration (roof panels):
** NOTE TO SPECIFIER ** Include the following for 24 gauge minimum steel panels. Delete if not applicable.
Pressure Leakage Rate:
1.57 PSF 0.0012 cfm/sq.ft.
6.24 PSF 0.0001 cfm/sq.ft.
20.0 PSF 0.0011 cfm/sq.ft.
Pressure Leakage Rate:
** NOTE TO SPECIFIER ** Include the following for ,032 inch minimum aluminum panels. Delete if not applicable.
1.57 PSF 0.0028 cfm/sq.ft.
6.24 PSF 0.0041 cfm/sq.ft.
20.0 PSF 0.0059 cfm/sq.ft.
** NOTE TO SPECIFIER ** Include the following for minimum thickness stainless steel or copper panels. Delete if not applicable.
Pressure Leakage Rate:
1.57 PSF 0.0012 cfm/sq.ft.
6.24 PSF 0.0001 cfm/sq.ft.
20.0 PSF 0.0011 cfm/sq.ft.
ASTM E 1646: Static pressure water infiltration (roof panels):
Pressure Result:
5 Gal. /Hr. per S.F. and Static No Leakage
Pressure of 20.0 Psf for 15 minutes
Capacities for gauge, span or loading other than those tested may be determined by interpolation of test results within the range of test data. Extrapolations for conditions outside test range are not acceptable.
Water penetration (dynamic pressure): No water penetration, other than condensation, when exposed to dynamic rain and 70 mph wind velocities for not less than five minutes duration, when tested in accord with principles of AAMA 501.1.
** NOTE TO SPECIFIER ** Include the following paragraph for high velocity wind zone areas. Delete if not applicable.
Wind and wind driven rain resistance: No water penetration or panel movement when exposed to 110 mph wind velocities when tested in accordance with TAS 100.
Installed roof system assembly shall show that it can resist the calculated roof pressure in accordance with the test results of TAS 125.
Water penetration in low slope applications: No water penetration or panel movement when subject to 6 inch head of water for 6 hours when tested in accordance with the ASTM E 2140 and when subject to 6 inch head of water for 7 days when tested in accordance with the TAS 114 appendix G.
Submit third party validation of environmental claims, prepared UL Environment, for all metal roof panels containing recycled content and/or bio based content.
Standing Seam Roofing System: R-Mer Loc
Thermal Expansion and Contraction:
Completed metal roofing and flashing system shall be capable of withstanding expansion and contraction of components caused by changes in temperature without buckling, producing excess stress on structure, anchors or fasteners, or reducing performance ability.
Design temperature differential shall be not less than 200 degrees F.
Interface between panel and clip shall provide for unlimited thermal movement in each direction along the longitudinal direction.
Location of metal roofing rigid connector shall be at roof ridge unless otherwise approved by the Architect. Metal ridge connector may require design as per job conditions by specified manufacturer.
** NOTE TO SPECIFIER ** Each of the following is necessary to determine the appropriate design wind pressure and other loads for roof components. Please contact a Garland sales representative for assistance in determining the proper wind uplift design criteria.
Uniform wind load capacity:
Installed roof system shall withstand negative (uplift) design wind loading pressures complying with the following criteria.
Design Code: ASCE 7, Method 2 for Components and Cladding.
Safety Factor: 1.67 after any load reduction or material stress increase.
Category ___ Building with an Importance Factor of ___.
Wind Speed: ____ mph.
Ultimate Pullout Value: ___ pounds per each of the two fasteners holding the panel anchor to the roof decking or framing system.
Exposure Category: ___.
Design Roof Height: ___ feet.
Minimum Building Width: [contact Garland sales rep.] feet.
Roof Pitch: __ inches per foot.
Roof Area Design Uplift Pressure:
** NOTE TO SPECIFIER ** Hips and ridges are considered as Zone 1 field of roof for roof slopes of 10 degrees (2 inches per foot) or less.
Zone 1 - Field of roof ___ psf.
Zone 2 - Eaves, ridges, hips, and rakes ___ psf.
Zone 3 - Corners ___ psf.
** NOTE TO SPECIFIER ** Delete the following paragraph if UL 580 is specified.
ASTM E 1592: Capacity shall be determined using pleated airbag method in accordance with ASTM E 1592, testing of sheet metal roof panels. Allowable safe working loads shall be determined by dividing the ultimate test load by the safety factor specified above.
** NOTE TO SPECIFIER ** Delete the following paragraph ASTM E 1592 is specified.
Underwriters' Laboratories, Inc., (UL), wind uplift resistance classification: Roof assembly shall be classified as Class 1-90, as defined by UL 580
Uniform Positive Load Capacity.
Installed roof system shall be capable of resisting the following positive uniform roof loads: Roof Live Load of 20 psf; Roof Snow Load of ___ psf.
** NOTE TO SPECIFIER ** Delete the following paragraph if the project is new construction. If the project is retrofit or tear off, and weight is being added, then a licensed structural engineer must review and approve the application through a structural evaluation of the roof structure. Coordinate with Submittals.
Dead Load: Loading of the roof structure, due to tear off of existing, and/or installation of new roofing materials shall not exceed the present loading due to weight of the existing roofing system.
Installed roof system shall carry positive uniform design loads with a maximum system deflection of L/180 as measured at the rib (web) of the panel.
** NOTE TO SPECIFIER ** Delete the following two paragraphs if UL is not specified.
Underwriters' Laboratories, Inc., (UL):
Underwriters' Laboratories, Inc., (UL) fire resistance P ratings for roof assemblies: If applicable, panel system shall be approved for use in an appropriate Construction Assembly, as defined by UL 263.
Underwriters' Laboratories, Inc., (UL) Class A fire rating per UL 790.
ASTM E 1680: Static pressure air infiltration (roof panels):
Pressure Leakage Rate
1.57 PSF 0.0054 cfm/sq.ft.
6.24 PSF 0.0054 cfm/sq.ft.
20.0 PSF 0.0027 cfm/sq.ft.
ASTM E 1646: Static pressure water infiltration (roof panels):
Pressure Result:
5 Gal/Hr per S.F. and Static No Leakage
Pressure of 20.0 Psf. for 15 minutes
Capacities for gauge, span or loading other than those tested may be determined by interpolation of test results within the range of test data. Extrapolation for conditions outside test range is not acceptable.
Submit third party validation of environmental claims, prepared UL Environment, for all metal roof panels containing recycled content and/or bio based content.
Flat Metal Roofing System: R-Mer Lite and R-Mer Lite II Insulated steel flat roofing system
Thermal Expansion and Contraction
Completed metal roofing and flashing system shall be capable of withstanding expansion and contraction of components caused by changes in temperature without buckling, producing excess stress on structure, fasteners, or reducing performance ability.
Design temperature differential shall be not less than 200 degrees F.
Framing system shall be used separating panel seams from the deck so that fasteners anchoring panel seams together may not thermally bridge between interior and exterior temperatures.
** NOTE TO SPECIFIER ** Each of the following is necessary to determine the appropriate design wind pressure and other loads for roof components. Please contact a Garland sales representative for assistance in determining the proper wind uplift design criteria.
Uniform Wind Uplift Load Capacity
Installed roof system shall withstand negative (uplift) design wind loading pressures complying with the following criteria.
Design Code: ASCE 7, Method 2 for Components and Cladding.
Category ___ Building with an Importance Factor of ___
Wind Speed: ___ mph
Ultimate Pullout Value: ___ pounds per each of the fasteners holding the steel framing section to the roof decking.
Exposure Category: ___
Design Roof Height: ___ feet.
Minimum Building Width: ___ feet.
Roof Pitch:___ inches per foot.
Topographic Factor: ___
Roof Area Design Uplift Pressure:
** NOTE TO SPECIFIER ** Hips and ridges are considered as Zone 1 field of roof for roof slopes of 10 degrees (2 inches per foot) or less.
Zone 1 - Field of roof ___ psf
Zone 2 - Eaves, ridges, hips, and rakes ___ psf
Zone 3 - Corners ___ psf.
Uniform Positive Load Capacity.
Installed roof system shall be capable of resisting the following positive uniform roof loads: Roof Live Load of 20 psf; Roof Snow Load of ___ psf.
** NOTE TO SPECIFIER ** Delete the following paragraph if the project is new construction. If the project is retrofit or tear off, and weight is being added, then a licensed structural engineer must review and approve the application through a structural evaluation of the roof structure. Coordinate with Submittals.
Dead Load: Loading of the roof structure, due to tear off of existing, and/or installation of new roofing materials shall not exceed the present loading due to weight of the existing roofing system.
Installed roof system shall carry positive uniform design loads with a maximum system deflection of L/180 as measured at the rib (web) of the panel.
FM 4470: Test report must be submitted for windstorm rating no less than that specified in Design and Performance Criteria article. The proposed roof system must have approval over specified substrate with steel framing spaced no further apart than as specified.
System shall be capable of installation with all seam and flashing sealants in continuous, full compression.
System shall meet all design and performance criteria that are consistent with the Class 1 Roof Covering Section of the Factory Mutual Research Corporation (FMRC) Approval Guide.
Underwriters' Laboratories, Inc., (UL) Class A fire rating per UL 790.
** NOTE TO SPECIFIER ** Select one of the following two paragraphs and delete the one not required. Note that only one should be specified for uplift resistance.
Underwriters' Laboratories, Inc., (UL), wind uplift resistance classification: Roof assembly shall be classified as Class ___ as defined by UL 1897.
Factory Mutual Research (FM), wind uplift resistance classification: Roof assembly shall be classified as FM ___, as defined by FM 4470.
** NOTE TO SPECIFIER ** Select the following two paragraphs for R-Mer Lite II only and delete if not applicable. Not applicable to R-Mer Lite.
Water penetration in low slope applications: No water penetration or panel movement when subjected to 6 inch head of water for 6 hours when tested in accordance with the ASTM E 2140.
Resistance to water penetration: No water penetration or damage to the roof system shall be observed when subjected to water spray and wind velocity as specified by ICC-ES AC166 test procedure.
SUBMITTALS
Submit under provisions of Section 01 30 00 - Administrative Requirements.
Product Data: Submit product data, test reports, and certifications in accordance with quality assurance and performance requirements specified herein.
Design Loads: Submit manufacturer's minimum design load calculations according to ASCE 7, Method 2 for Components and Cladding. In no case shall the design loads be taken to be less than those specified herein.
** NOTE TO SPECIFIER ** Include the following paragraph for retrofit or tear off roofs. Delete if not applicable.
Dead Load Evaluation: Provide documentation from a licensed structural engineer of a structural evaluation of the roof structure and it's suitability for the new imposed roofing loads.
Shop Drawings: Prepared specifically for this project; showing dimensions of metal roofing and accessories, fastening details and connections and interface with other products.
** NOTE TO SPECIFIER ** Delete the following paragraphs if LEED is not applicable.
LEED Submittals: Provide documentation of how the requirements of Credit will be met:
List of proposed materials with recycled content. Indicate post-consumer recycled content and pre-consumer recycled content for each product having recycled content.
Product data and certification letter indicating percentages by weight of post-consumer and pre-consumer recycled content for products having recycled content.
** NOTE TO SPECIFIER ** Delete selection samples if colors have already been selected.
Selection Samples: For each finish product specified, two complete sets of samples representing manufacturer's full range of available colors and textures.
Verification Samples: For each finish product specified, two samples, minimum size 6 inches (150 mm) square, representing actual product, color, and textures.
Manufacturer's Certificates: Certify products meet or exceed specified requirements.
Closeout Submittals:
Provide manufacturer's maintenance instructions that include recommendations for periodic checking and maintenance of installed roof system.
Provide executed copy of manufacturer's warranty.
QUALITY ASSURANCE
Manufacturer Qualifications: Manufacturer shall have in place a documented, standardized quality control program such as ISO-9001 approval.
Installer Qualifications: Certified and approved installer of the sheet metal roofing manufacturer.
** NOTE TO SPECIFIER ** Include a mock-up if the project size and/or quality warrant taking such a precaution. The following is one example of how a mock-up on a large project might be specified. When deciding on the extent of the mock-up, consider all the major different types of work on the project.
Mock-Up: Provide a mock-up for evaluation of surface preparation techniques and application workmanship.
Finish areas designated by Architect.
Do not proceed with remaining work until workmanship, color, and sheen are approved by Architect.
Refinish mock-up area as required to produce acceptable work.
PRE-INSTALLATION CONFERENCE
Convene a pre-roofing conference approximately two weeks before scheduled commencement of roofing system installation and associated work.
Require attendance of installers of deck or substrate construction to receive roofing, installers of rooftop units and other work in and around roofing which must precede or follow roofing work including mechanical work, Architect, Owner, roofing system manufacturer's representative.
Objectives include:
Review foreseeable methods and procedures related to roofing work, including set up and mobilization areas for stored material and work area.
Tour representative areas of roofing substrates, inspect and discuss condition of substrate, roof drains, curbs, penetrations and other preparatory work.
Review structural loading limitations of deck and inspect deck for loss of flatness and for required attachment.
Review roofing system requirements, Drawings, Specifications and other Contract Documents.
Review and finalize schedule related to roofing work and verify availability of materials, installer's personnel, equipment and facilities needed to make progress and avoid delays.
Review required inspection, testing, certifying procedures.
Review weather and forecasted weather conditions and procedures for coping with unfavorable conditions, including possibility of temporary roofing.
Record conference including decisions and agreements reached. Furnish a copy of records to each party attending.
DELIVERY, STORAGE, AND HANDLING
Deliver materials in manufacturer's original, unopened, undamaged containers with identification labels intact.
Store materials protected from exposure to harmful environmental conditions and at temperature and humidity conditions recommended by the manufacturer.
Store materials above ground, on skids.
Protect material with waterproof covering and allow sufficient ventilation to prevent condensation buildup or moisture entrapment on the materials.
PROJECT CONDITIONS
Maintain environmental conditions (temperature, humidity, and ventilation) within limits recommended by manufacturer for optimum results. Do not install products under environmental conditions outside manufacturer's absolute limits.
** NOTE TO SPECIFIER ** Select the paragraphs for the System(s) specified from the following paragraphs and delete those not required.
WARRANTY
** NOTE TO SPECIFIER ** Include the following paragraphs for the R-Mer Shield and R-Mer Span System only.
Warranty:
30 year, no dollar limit, warranty.
Provide installers 2 year warranty covering roofing system installation and water-tightness.
** NOTE TO SPECIFIER ** Include the following paragraphs for the R-Mer Loc System only.
Warranty:
30 year limited watertight warranty for roofs over a 3:12 slope.
20 year limited watertight warranty for roofs with a 1:5 to 3:12 slope.
Provide installers 2 year warranty covering roofing system installation and water-tightness.
** NOTE TO SPECIFIER ** Include the following paragraphs for the R-Mer Lite and R-Mer Lite II Systems only.
Warranty:
30 year limited watertight warranty.
Provide installers 2 year warranty covering roofing system installation and water-tightness.
PRODUCTS
MANUFACTURERS
Acceptable Manufacturer: Garland Company, Inc. (The), which is located at: 3800 E. 91st St.; Cleveland, OH 44105; Toll Free Tel: 800-321-9336; Tel: 216-641-7500; Fax: 216-641-0633; Email: request info (tdiamond@); Web:
** NOTE TO SPECIFIER ** Delete one of the following two paragraphs; coordinate with requirements of Division 1 section on product options and substitutions.
Substitutions: Not permitted.
Requests for substitutions will be considered in accordance with provisions of Section 01 60 00 - Product Requirements.
** NOTE TO SPECIFIER ** Edit the following paragraphs for the Metal Roof System required and applicable to the project requirements. Delete the paragraphs that are not applicable.
STANDING SEAM METAL ROOFING
** NOTE TO SPECIFIER ** R-Mer Shield Structural standing seam roof system provides the highest performance in windstorm and water penetration in the industry. Ideal for new construction, reroofs and retrofits over existing single-plies, BURs, modified bitumen or other metal roofs.
R-Mer Shield:
Width of Standing Seam Panel:
12-3/4 inches.
16-3/4 inches.
18-3/4 inches.
24-3/4 inches.
Standing Seam: 2-1/16 inch tall mechanically seamed with factory installed hot melt sealant in-seam cap. Panel/Cap is configured with a total of 4 layers of metal surrounding anchor clip and top rail.
Panel Profile: Provided with minimum 1-1/2 inches wide elevated mesa's every 2 inches on center continuous throughout panel. Stiffening ribs shall also be located in flat of panel next to the standing seam legs. Panel profile shall be symmetric in shape.
Slope: Open Purlins or Solid Substrate down to 1/4:12.
Panel material:
** NOTE TO SPECIFIER ** Select the panel material required from the following paragraphs and delete those not required.
Galvalume steel, type AZ-55, smooth as per ASTM A 792, 24 gauge.
Galvalume steel, type AZ-55, smooth as per ASTM A 792, 22 gauge.
Galvalume steel, type AZ-55, smooth as per ASTM A 792, 20 gauge.
Galfan steel, type GF-90, smooth per ASTM A 875. 22 gauge.
Galvanized steel 24 gauge, G90, smooth as per ASTM A 653.
Galvanized steel 22 gauge, G90, smooth as per ASTM A 653.
Galvanized steel 20 gauge, G90, smooth as per ASTM A 653.
Aluminum, 3105-H14 alloy, smooth as per ASTM B 209, .040 inch thickness.
Aluminum, 3105-H14 alloy, smooth as per ASTM B 209, .050 inch thickness.
Stainless steel, type 316L, fully annealed, 2B finish, smooth as per ASTM A 240, 24 gauge.
Stainless steel, type 316L, fully annealed, 2B finish, smooth as per ASTM A 240, 22 gauge.
Copper 16 oz per square foot, H01 or H02 temper, smooth as per ASTM B 370.
Copper 20 oz per square foot, H01 or H02 temper, smooth as per ASTM B 370.
Flashing and flat stock material: Fabricate in profiles indicated on Drawings of same material, thickness, and finish as roof system, unless indicated otherwise.
** NOTE TO SPECIFIER ** Select the Coated, Clear Coated Galvalume or Uncoated panel finish required from the following three primary paragraphs and delete those not required. Note that only Galvanized, Galfan and Aluminum materials are available with a coated finish.
Coated Finish:
Exposed surfaces for coated panels:
** NOTE TO SPECIFIER ** The following two paragraphs are for coated panels using galvanized steel or aluminum panel materials only. Delete if not applicable.
Two coat coil applied, baked-on full-strength (70% resin) fluorocarbon coating system (polyvinylidene fluoride, PVF2), applied by manufacturer's approved applicator.
Coating system shall provide nominal 1.0 mil dry film thickness, consisting of primer and color coat.
** NOTE TO SPECIFIER ** Select the panel color required from the following paragraphs and delete the ones not required. Note that Garland Designer and Premium Collection colors may require minimum quantities.
Color.
Standard collection includes 16 colors:
Designer collection includes 6 colors:
Premium collection includes 6 colors:
Vintage Stone collection includes 6 colors:
Color: Custom color selected by Architect.
Unexposed surfaces for coated panels shall be baked-on polyester coating with .20 to .30 dry film thickness (TDF).
** NOTE TO SPECIFIER ** Clear coat is available for Galvalume steel materials only. Delete if not applicable.
Clear Coated Galvalume Finish: Exposed and unexposed surfaces with clear acrylic coating over bare Galvalume.
** NOTE TO SPECIFIER ** Uncoated Mill finish is available for Aluminum, Stainless Steel and Copper materials only. Delete if not applicable.
Uncoated Mill Finish: Exposed and unexposed surfaces for uncoated panels mill finish.
Accessory Components:
Anchor Clips:
Concealed Standard Anchor Clips: Clips must be extruded aluminum ONE (1) piece clip with projecting legs for additional panel alignment and provision for unlimited thermal movement in each direction along the longitudinal dimension.
Top Rail shall be snap-in-place extruded aluminum retainer. The top rail shall be used as a 6 inch length aligned with each panel clip, or in continuous lengths spanning one or more wind uplift zones, as required by the manufacturer's testing data and project engineering calculations.
Two piece clips are unacceptable.
Sealant applied in panel cap must be isolated from clip to insure that no sealant damage occurs from the movement of the panel during expansion and contraction.
Clip must maintain a clearance of a minimum of 1/2 inch between panel and substrate for proper ventilation to help prevent condensation on underside of panel and eliminate the contact of panel fastener head to panel.
** NOTE TO SPECIFIER ** In addition to Anchor Clips above, Gable anchor clips are required for most projects. They can be specified with all R-MER Shield panels systems and are generally required at all rakes, jambs, and expansion joints. Select the appropriate style and material.
Gable Anchor Clips:
Extruded Aluminum.
Fasteners:
Concealed fasteners: Corrosion resistant steel fasteners (zinc plated, stainless steel or equal) designed to meet structural loading requirements.
Exposed fasteners: Series 410 stainless steel fasteners or 1/8 inch diameter stainless steel waterproof rivets. All exposed fasteners shall be factory painted to match the color of the standing seam panels.
Closures: Factory precut closed cell foam meeting ASTM D 1056 or ASTM D 3575, enclosed in metal channel matching panels when used at hip, ridge, rake, and jamb.
Provide all miscellaneous accessories for complete installation.
** NOTE TO SPECIFIER ** R-Mer Span Structural standing seam or batten seam roof system provides the highest performance in windstorm and water penetration in the industry. Ideal for new construction, reroofs and retrofits over existing single-plies, BURs, modified bitumen or other metal roofs.
R-Mer Span:
** NOTE TO SPECIFIER ** Select Standing Seam or Batten Seam panels and required panel width from the following paragraphs and delete the paragraph not required.
Width of Standing T-Seam Panel: 1 inch T-seam.
12 inches.
16 inches.
18 inches.
Width of Batten Seam Panel: 2 inch wide batten seam .
11 inches.
16 inches.
19 inches.
Standing Seam: 2-3/8 inch tall mechanically seamed with factory installed hot melt sealant in-seam cap. Panel/Cap is configured with a total of 4 layers of metal surrounding anchor clip.
Panel Profile: Provided with minimum 1-1/2 inches wide elevated mesa's every 2 inches on center continuous throughout panel.
Slope: Open Purlins or Solid Substrate down to 1/4:12.
** NOTE TO SPECIFIER ** Select Curved panels OR Tapered panels from the following paragraphs Delete both if not required.
** NOTE TO SPECIFIER ** Curving capability, Steel - 20 foot radius; Aluminum - 10 foot radius.
Curved panels: Mechanically factory curved to the exact radius of each curved roof area.
Tapered Panels: Form from a single piece of metal. Performance tests must be applicable for the greatest panel width.
Panel material:
** NOTE TO SPECIFIER ** Select the panel material required from the following paragraphs and delete those not required.
Galvalume steel, type AZ-55, smooth as per ASTM A 792, 24 gauge.
Galvalume steel, type AZ-55, smooth as per ASTM A 792, 22 gauge.
Galfan steel, type GF-90, smooth per ASTM A 875. 22 gauge.
Galvanized steel 24 gauge, G90, smooth as per ASTM A 653.
Galvanized steel 22 gauge, G90, smooth as per ASTM A 653.
Aluminum, 3105-H14 alloy, smooth as per ASTM B 209, .032 inch thickness.
Aluminum, 3105-H14 alloy, smooth as per ASTM B 209, .040 inch thickness.
Stainless steel, type 316L, fully annealed, 2B finish, smooth as per ASTM A 240, 24 gauge.
Stainless steel, type 316L, fully annealed, 2B finish, smooth as per ASTM A 240, 22 gauge.
Copper 16 oz per square foot, H01 or H02 temper, smooth as per ASTM B 370.
Copper 20 oz per square foot, H01 or H02 temper, smooth as per ASTM B 370.
Flashing and flat stock material: Fabricate in profiles indicated on Drawings of same material, thickness, and finish as roof system, unless indicated otherwise.
** NOTE TO SPECIFIER ** Select the Coated, Clear Coated Galvalume or Uncoated panel finish required from the following three primary paragraphs and delete those not required. Note that only Galvanized, Galfan and Aluminum materials are available with a coated finish.
Coated Finish:
Exposed surfaces for coated panels:
** NOTE TO SPECIFIER ** The following two paragraphs are for coated panels using galvanized steel or aluminum panel materials only. Delete if not applicable.
Two coat coil applied, baked-on full-strength (70% resin) fluorocarbon coating system (polyvinylidene fluoride, PVF2), applied by manufacturer's approved applicator.
Coating system shall provide nominal 1.0 mil dry film thickness, consisting of primer and color coat.
** NOTE TO SPECIFIER ** Select the panel color required from the following paragraphs and delete the ones not required. Note that Garland Designer and Premium Collection colors may require minimum quantities.
Color.
Standard collection includes 16 colors:
Designer collection includes 6 colors:
Premium collection includes 6 colors:
Vintage Stone collection includes 6 colors.
Color: Custom color selected by Architect.
Unexposed surfaces for coated panels shall be baked-on polyester coating with .20 to .30 dry film thickness (TDF).
** NOTE TO SPECIFIER ** Clear coat is available for Galvalume steel materials only. Delete if not applicable.
Clear Coated Galvalume Finish: Exposed and unexposed surfaces with clear acrylic coating over bare Galvalume.
** NOTE TO SPECIFIER ** Uncoated Mill finish is available for Aluminum, Stainless Steel and Copper materials only. Delete if not applicable.
Uncoated Mill Finish: Exposed and unexposed surfaces for uncoated panels mill finish.
Accessory Components:
Anchor Clips:
** NOTE TO SPECIFIER ** Select the fastener type required from the following paragraphs and delete the ones not required. Select galvanized steel clips for galvanized steel, Galfan steel or Galvalume steel panels. Select stainless steel clips for aluminum, copper or stainless steel panels to prevent galvanic corrosion. Select Batten Style clips for batten style panels only. Consult with Garland for concealed fastener recommendations.
Concealed Standard Anchor Clips: Clips 16 gauge galvanized steel, 1 piece clip with projecting legs for additional panel alignment and provision for unlimited thermal movement in each direction along the longitudinal dimension.
Concealed Standard Anchor Clips: Clips 16 gauge stainless steel, alloy 316L, 1 piece clip with projecting legs for additional panel alignment and provision for unlimited thermal movement in each direction along the longitudinal dimension.
Concealed Batten Style Anchor Clips: Clips aluminum alloy 6061-T6, minimum thickness, 0.060 inches, 1 piece clip with projecting legs for additional panel alignment and provision for unlimited thermal movement in each direction along the longitudinal dimension.
** NOTE TO SPECIFIER ** The following three paragraphs (a, b, and c) are applicable to any of the anchor clip styles selected above. Do not delete.
Two piece clips are unacceptable.
Sealant applied in panel cap must be isolated from clip to insure that no sealant damage occurs from the movement of the panel during expansion and contraction.
Clip must maintain a clearance of a minimum of 3/8 inch between panel and substrate for proper ventilation to help prevent condensation on underside of panel and eliminate the contact of panel fastener head to panel.
** NOTE TO SPECIFIER ** In addition to Anchor Clips above Gable anchor clips are required for most projects. They can be specified with all R-MER Span panels systems and are generally required at all rakes, jambs, and expansion joints. Select the appropriate style and material.
Gable anchor clips for:
Standing Seam style.
Galvanized steel, minimum thickness: 16 gauge.
Stainless steel, alloy 316L, minimum thickness: 16 gauge.
Batten Seam style.
Galvanized steel, type AZ-55, minimum thickness: 16 gauge.
Stainless steel, alloy 316L, minimum thickness: 16 gauge.
** NOTE TO SPECIFIER ** I-SPAN Anchor is a continuous length, heavy gauge, anchoring device mechanically seamed into the panel system that can be used in the high wind zones of the roof to reduce the amount of framing required. They can also improve the structural performance of a panel system, making possible the use of wider and/or lighter gauge panels than would otherwise be allowable. They are generally used in lieu of standard anchor clips in the high wind zones of a roof. Delete if not applicable.
Concealed I-SPAN Anchors: I-SPAN Anchors are extruded aluminum, alloy 6005-T5, with projecting legs for additional panel alignment and provision for unlimited thermal movement in each direction along the longitudinal dimension. Provide anchors of continuous lengths with a 0.062 inch minimum thickness.
Fasteners:
Concealed fasteners: Corrosion resistant steel fasteners (zinc plated, stainless steel or equal) designed to meet structural loading requirements.
Exposed fasteners: Series 410 stainless steel fasteners or 1/8 inch diameter stainless steel waterproof rivets. All exposed fasteners shall be factory painted to match the color of the standing seam panels.
Closures: Factory precut closed cell foam meeting ASTM D 1056 or ASTM D 3575, enclosed in metal channel matching panels when used at hip, ridge, rake, and jamb.
Provide all miscellaneous accessories for complete installation.
** NOTE TO SPECIFIER ** R-MER Loc system can be installed on slopes as low as 1-1/2:12. For low slope installations less than 3:12, R-MER Loc system requires a solid deck and an underlayment. No steel framing members can be used on slopes less than 3:12. For steep slope applications 3:12 or greater), R-MER Loc may be installed over a roof deck or open framing. Specifier may require an underlayment over the entire roof deck for any roof slope.
R-Mer Loc: Panel with 1-3/4 inch high standing seam with 3/8-inch high clearance between panel and substrate.
Width of Panel:
12 inches.
16 inches.
18 inches.
Seam Height: 1-3/4 inch.
Slope: Open Purlins, Slopes down to 3:12.
Slope: Solid Substrate, no framing components, Slopes down to 1-1/2 :12.
Panel Clips: Minimum 18 gauge, galvanized steel or stainless steel. Two-piece clips are unacceptable.
Passes:
ASTM E 1592
ASTM E 1680
ASTM E 1646
Class A Fire Rating, UL-790.
UL (Class 90) 580.
Panel material:
** NOTE TO SPECIFIER ** Select the panel material required from the following paragraphs and delete those not required.
Galvalume steel, type AZ-55, smooth as per ASTM A 792, 24 gauge.
Galvalume steel, type AZ-55, smooth as per ASTM A 792, 22 gauge.
Galfan steel, type GF-90, smooth per ASTM A 875. 22 gauge.
Galvanized steel 24 gauge, G90, smooth as per ASTM A 653.
Galvanized steel 22 gauge, G90, smooth as per ASTM A 653.
Aluminum, 3105-H14 alloy, smooth as per ASTM B 209, .040 inch thickness.
Flashing and flat stock material: Fabricate in profiles indicated on Drawings of same material, thickness, and finish as roof system, unless indicated otherwise.
** NOTE TO SPECIFIER ** Select the coated or uncoated panel finish required from the following paragraphs and delete those not required. Note that only Galvanized, Galfan and Aluminum materials are available with a coated finish.
Coated Finish:
Exposed surfaces for coated panels:
** NOTE TO SPECIFIER ** Select the coated panel finish required from the following paragraphs and delete those not required.
Two coat coil applied, baked-on full-strength (70% resin) fluorocarbon coating system (polyvinylidene fluoride, PVF2), applied by manufacturer's approved applicator.
Coating system shall provide nominal 1.0 mil dry film thickness, consisting of primer and color coat.
** NOTE TO SPECIFIER ** Select the panel color required from the following paragraphs and delete the ones not required. Note that Garland Designer and Premium Collection colors may require minimum quantities.
Color.
Standard collection includes 16 colors:
Designer collection includes 6 colors:
Premium collection includes 6 colors:
Vintage Stone collection includes 6 colors:
Color: Custom color selected by Architect.
Unexposed surfaces for coated panels shall be baked-on polyester coating with .20 to .30 dry film thickness (TDF).
** NOTE TO SPECIFIER ** Clear coat is available for Galvalume steel materials only. Delete if not applicable.
Clear Coated Galvalume Finish: Exposed and unexposed surfaces with clear acrylic coating over bare Galvalume.
** NOTE TO SPECIFIER ** Uncoated Mill finish is available for Aluminum, Stainless Steel and Copper materials only. Delete if not applicable.
Uncoated Mill Finish: Exposed and unexposed surfaces for uncoated panels mill finish.
Accessory Components:
** NOTE TO SPECIFIER ** Gable anchor clips are required for most projects and are generally required at all rakes, jambs, and expansion joints.
Gable anchor clips shall be minimum 18 gauge, galvanized steel or stainless steel.
Fasteners:
** NOTE TO SPECIFIER ** Select the fastener type required from the following paragraphs and delete the one not required. Consult with Garland for concealed fastener recommendations.
Concealed fasteners: Corrosion resistant steel fasteners (zinc plated or equal) designed to meet structural loading requirements. Provide #14 as minimum fastener size.
Exposed fasteners: Series 410 stainless steel fasteners or one-eighth (1/8) inch diameter stainless steel waterproof rivets. All exposed fasteners shall be factory painted to match the color of the standing seam panels.
Closures: Factory precut closed cell foam meeting ASTM D 1056 or ASTM D 3575, with metal trim matching panels when used at hip, ridge, jamb, and rake.
Provide all miscellaneous accessories for complete installation.
** NOTE TO SPECIFIER ** Edit the following paragraphs as required and applicable to the project requirements. Delete the paragraphs that are not applicable.
STANDING SEAM METAL ROOFING ACCESSORlES
Underlayment:
** NOTE TO SPECIFIER ** Select one of the following paragraphs and delete those not required.
No. 30 roofing felt, installed in accordance with manufacturer's recommendations.
40 mil minimum high temp self adhesive membrane, installed in accordance with manufacturer's recommendations.
Two layers of "Class A" fire rated slip sheet, mechanically fastened to wood deck. UL classified self adhering underlayment shall be applied over the fire rated slip sheets.
Insulation:
** NOTE TO SPECIFIER ** Complete the following paragraph as required. Verify Building Code requirements for R-values.
Type: _________________
Minimum Thickness: _________
R-value: __________
Barrier Boards:
*** NOTE TO SPECIFIER ** Select one of the following paragraphs and delete those not required.
Georgia-Pacific Corp. 1/4 inch minimum Dens-Deck protective barrier board with a Class A fire rating over deck surfaces.
Gypsum Wallboard 1/2 inch minimum protective barrier with a Class A fire rating over deck surfaces.
Perlite (uniform or tapered) 3/4 inch minimum protective barrier with a Class A fire rating over deck surfaces.
Gypsum-Fiber Roof Board: 1/2 inch minimum thickness.
Framing Components:
** NOTE TO SPECIFIER ** Select one or more of the following paragraphs to suit the system specified and delete those not required..
Hat Sections: Galvanized steel furring hat sections, 22 gauge minimum.
Zee Furring: Galvanized steel zee furring, 18 gauge minimum.
Zee Furring: Galvanized steel zee furring with height to match insulation thickness by 16 gauge minimum.
Zee Furring: Painted galvanized steel zee furring with height to match insulation thickness by 16 gauge minimum.
Retrofit Furring: Install 16 gauge minimum galvanized or painted steel retrofit furring members over the existing standing seam roof panels. Provide with lower flange and web notched to match the profile of the existing standing seam roof panels.
** NOTE TO SPECIFIER ** Specify bearing plates when installing a standing seam roofing system over rigid board insulation. Bearing plates distribute the load over the insulation and will prevent over torqueing of clip fasteners.
Bearing Plates:
Galvanized steel bearing plates 3 inches by 5 inches by 16 gauge, minimum.
Pre-punch with a hole pattern matching that of the panel anchor clips. Slotted holes are acceptable.
Sealant:
Concealed Applications: Non-Curing Butyl Sealant - Schnee-Morehead, Inc. SM5430 Acryl-R, or equal.
Exposed Applications: UV Resistant Tripolymer Sealant - Geocel Corporation, 2300 Tripolymer Sealant, or equal.
FLAT METAL ROOFING
** NOTE TO SPECIFIER ** R-Mer Lite is a flat seam, through fastened roof panel that must be installed over a solid substrate or existing standing seam roof system. The panels are fastened to a 22 gauge steel hat channel framing system that is attached to the substrate. R-Mer Lite has a minimum slope requirement of 1/2:12 and shall not be installed on roof systems that contain internal drains or scuppers
R-Mer Lite: Insulated steel flat roofing system accommodates slope down to 1/2 inch per foot.
Gauge: 30 gauge.
Width of Panel: 4 feet to 10 feet.
Length of Panel: 100 feet maximum.
Slope: 1/2:12 minimum.
Passes:
ASTM A 792 /A 792M
ASTM E 108
FM 4470
UL 790
UL 1897
Materials:
Panel Material: Steel sheet, Aluminum-Zinc Alloy Coated, ASTM A 792, Coating Designation AZ-50, in thickness of .0157 for field panel, 36 inches by coil, chemically treated, commercial, lock-forming quality.
Steel Framing System: Aluminum-Zinc Alloy Coated, ASTM A 792, Coating Designation AZ-50 .0336 by minimum chemically treated, commercial, lock-forming quality.
Accessory Components: Aluminum-Zinc Alloy Coated, ASTM A 792, Coating Designation AZ-50 .0336 or .0217, chemically treated, commercial, lock-forming quality.
Finish: Silicone modified polyester over epoxy primer baked both sides, as approved by finish coat manufacturer.
Color.
R-Mer Lite White.
R-Mer Lite II: Insulated steel flat roofing system accommodates slope down to 1/2 inch per foot.
Gauge: 30 gauge.
Width of Panel: 4 feet to 10 feet.
Length of Panel: 100 feet maximum.
Slope: 1/2:12 minimum.
Passes:
ASTM A 792 /A 792M
ASTM E 108
ASTM E 2140
AC 166
FM 4470
UL 790
Materials:
Panel Material: Steel sheet, Aluminum-Zinc Alloy Coated, ASTM A 792, Coating Designation AZ-50, in thickness of .0157 for field panel, 36 inches by coil, chemically treated, commercial, lock-forming quality.
Steel Framing System: Aluminum-Zinc Alloy Coated, ASTM A 792, Coating Designation AZ-50 .0336 by minimum chemically treated, commercial, lock-forming quality.
Accessory Components: Aluminum-Zinc Alloy Coated, ASTM A 792, Coating Designation AZ-50 .0336 or .0217, chemically treated, commercial, lock-forming quality.
Finish: Silicone modified polyester over epoxy primer baked both sides, as approved by finish coat manufacturer.
Color.
R-Mer Lite White.
FLAT METAL ROOFING ACCESSORIES
Sealant:
Job Installed In-Seam Sealant: Modified polyisobutylene tape, 3/32 inch thick by 2 inches wide, minimum for R-Mer Lite II and 1/8 inch thick by 1-1/2 inches wide, minimum for R-Mer Lite.
Pre-formed, non-hardening polyisobutylene rubber based elastic compound designed for use where space tolerance is limited.
Elongation: 25 percent Maximum
Recovery: 2 percent Maximum
Solids: 100 percent Maximum
Odor: None
Cure Time: Non-Curing
Flow: Slight
Color: Gray
Adhesion (Metal): Peel: 15l lbs./lin. in. j. Shear: 55 lbs./in.
Seamability: 100 percent cohesion of mating surfaces
Cold Temperature: Passes minus 30 degrees F. Flex over 1 inch Mandrel.
Softening Point: 200 degrees F.
Factory Applied Sealant: Hot melt, 100 percent solids thermoplastic material.
One component urethane meeting 360 percent elongation, ASTM D 412 and Tear Resistance of 140 lbs./in. ASTM D 1004.
One component acrylic terpolymer meeting FS TT-S-00230.
** NOTE TO SPECIFIER ** Select the appropriate fasteners below based on the deck material and considerations. Contact your local Garland Representative for assistance.
Framing System Fasteners:
Metal Deck: Fluorocarbon coated #14 fastener or equivalent.
Wood Deck: Fluorocarbon coated #14 fastener or wood deck auger type fastener, or peel rivet or equivalent.
Concrete Deck: Masonry tip and tread, fluorocarbon coated #14 fastener or equivalent.
Purlin: Self tapping, self drilling #10 or #12 screws such as Traxx by Buildex or equivalent by Olympic or Dekfast or equivalent.
Seam Screws: Sheet Metal Fastener size #10 or #12 by 3/4 inch or 1 inch by roof system manufacturer.
Wood Nailers, Curbs and Sleepers: California Redwood, #2 grade. No treated wood utilizing salt-base preservatives shall be allowed. Material safety Data Sheets must be provided for verification of preserving agents prior to the installation of any pressure treated wood.
Miscellaneous Fasteners:
TEK #1 or #4 screws
Expanding fasteners 1/4 inch minimum.
Prefabricated Stack Flashings: Flexible pre-fabricated round stack flashings with integrated pressure ring shall be used for all round pipe flashings by roof system manufacturer.
Temporary Night Sealant: Self-contained, two-component urethane foam.
Unitized Vents: Spun-aluminum, one-way moisture vapor relief vents by roof system manufacturer.
** NOTE TO SPECIFIER ** The following paragraph is applicable only if R-Mer Lite II is being specified. Remove the following paragraph if not applicable.
Seam Bar: 1 inch by 3/32 inch, 6063T aircraft grade aluminum bar with 8 mil white primer coat.
METAL ROOFING EDGE TREATMENT
** NOTE TO SPECIFIER ** R-Mer Edge is a pre-manufactured, ANSI/SPRI ES-1 compliant edge metal system.
R-Mer Edge Coping:
Cover and Splice Plate: Concealed 6 inch splice plates.
** NOTE TO SPECIFIER ** Select the material required from the following paragraphs and delete those not required.
22 gauge steel.
24 gauge steel.
.040 inch aluminum.
.050 inch aluminum.
.063 inch aluminum.
Anchor Chair: 16 gauge G-90 galvanized steel.
ANSI/SPRI ES-1 approved.
FM certified assemblies.
** NOTE TO SPECIFIER ** Select the color required from the following paragraphs and delete the ones not required. Note that Garland Designer and Premium Collection colors may require minimum quantities.
Color.
Standard collection includes 16 colors:
Designer collection includes 6 colors:
Premium collection includes 6 colors:
Vintage Stone Collection includes 6 colors:
Color: Custom color selected by Architect.
R-Mer Edge Systems: R-Mer Edge Fascia, Snap-on/R-Mer Edge Extruded
Fascia Cover and Splice Plate: Concealed 6 inch splice plates.
** NOTE TO SPECIFIER ** Select the material required from the following paragraphs and delete those not required.
22 gauge steel
24 gauge stee
.040 inch aluminum.
.050 inch aluminum.
.085 inch aluminum.
.125 inch aluminum.
Extenders:
** NOTE TO SPECIFIER ** Select the material required from the following paragraphs and delete those not required.
24 gauge steel
.040 inch aluminum.
.050 inch aluminum.
Continuous Cant Dam Cleat:
22 gauge G-90 Galvanized steel
ANSI/SPRI ES-1 certified assemblies
Standard factory fabricated corners
** NOTE TO SPECIFIER ** Select the panel color required from the following paragraphs and delete the ones not required. Note that Garland Designer and Premium Collection colors may require minimum quantities.
Color.
Standard collection includes 16 colors.
Designer collection includes 6 colors.
Premium collection includes 6 colors.
Vintage Stone collection includes 6 colors.
Color: Custom color selected by Architect.
R-Mer Ply: Self-ventilating transition of metal wall systems to membrane roofing systems.
Tensile strength:
MD 230 lbs./in. (40.5 kN/cm).
CMD 230 lbs./in. (40.5 kN/cm).
Tear Strength:
MD 320 lbs./in. (1420 N).
CMD 300 lbs/in. (1330 N).
Elongation:
MD 5.0 percent.
CMD 5.5 percent.
Low Temperature Flexibility: Passes minus 20 degrees F (minus 29 degrees C).
METAL ROOFING ACCESSORIES
** NOTE TO SPECIFIER ** R-Mer Soffit is an aluminum soffit panel system that can be used to reduce wind pressures by concealing open over hangs. R-Mer Soffit is only available in aluminum.
R-Mer Soffit: Reduces negative uplift pressures
Profile:
** NOTE TO SPECIFIER ** Select the profile required from the following paragraphs and delete the one not required.
Vented.
Non-vented.
Material and Thickness:
0.32 inch aluminum
Width of Panel: 12 inches.
Length of Panel: Up to 12 feet.
** NOTE TO SPECIFIER ** Select the panel color required from the following paragraphs and delete the ones not required. Note that Garland Designer and Premium Collection colors may require minimum quantities.
Color.
Standard collection includes 16 colors:
Designer collection includes 6 colors:
Premium collection includes 6 colors:
Vintage Stone collection includes 6 colors:
Color: Custom color selected by Architect.
R-Mer SS Sheet Stock: High gloss, factory painted aluminum
Material and Thickness:
** NOTE TO SPECIFIER ** Select the material and thickness required from the following paragraphs and delete the ones not required.
20 gauge steel
22 gauge steel
24 gauge steel
0.032 inch aluminum
0.040 inch aluminum
0.050 inch aluminum
** NOTE TO SPECIFIER ** Select the panel color required from the following paragraphs and delete the ones not required. Note that Garland Designer and Premium Collection colors may require minimum quantities.
Color.
Standard collection includes 16 colors:
Designer collection includes 6 colors:
Premium collection includes 6 colors:
Vintage Stone collection includes 6 colors:
Color: Custom color selected by Architect.
S-5! Snow Retention System: Compatible with Garland's R-Mer Shield and R-Mer Span and R-Mer Loc metal panel systems.
Snow Guard:
6005-T5 aircraft grade aluminum.
** NOTE TO SPECIFIER ** Select the panel color required from the following paragraphs and delete the ones not required. Note that Garland Designer and Premium Collection colors may require minimum quantities.
Color.
Standard collection includes 16 colors:
Designer collection includes 6 colors:
Premium collection includes 6 colors:
Vintage Stone collection includes 6 colors:
Color: Custom color selected by Architect.
** NOTE TO SPECIFIER ** Select the color options required from the following paragraphs and delete those not required. Note that Designer collection and Premium collection will required minimum quantities and extra costs may apply. Delete if color selections are to be selected during submittals phase. Delete if R-Mer lite or R-Mer Lite II is being specified.
COLOR OPTIONS
Standard collection:
Sandstone
Colonial Red
Emerald Green
Regal White
Suede
Dark Bronze
Mocha
Portland Stone
Patriot Blue
Cadet Gray
Sierra White
River Rock
Pewter
Still Water
Sea Mist
Almond
Designer collection:
Terra Cotta
Slate Blue
Heritage Red
Carbon Black
Harvest Wheat
Midnight
Premium collection:
Sterling Silver
Cranberry Fleck
Copper Penny
Satin Smoke
Preweathered Galvalume
Gold Mist
Vintage Stone Collection
Charcoal Gray
Cobblestone
Star Blue Quartz
Dark Jade
Imperial Topaz
Tiger Iron
EXECUTION
EXAMINATION
Examine surfaces to receive metal roofing. Notify the Architect in writing of any defective conditions encountered. Starting of work shall constitute acceptance of such conditions.
** NOTE TO SPECIFIER ** The following two paragraphs are for varying substrate conditions. Select the require paragraph and delete the paragraph not required.
Structural Deck Substrate:
Inspect roof deck to verify deck is clean and smooth, free of depressions, waves, or projections, and properly sloped.
Verify deck is dry and joints are solidly supported and fastened.
Verify wood nailers are installed and correctly located. Do not use pressure-treated wood containing salt-based preservatives or materials corrosive to steel.
Structural Framing Substrate:
Verify primary and secondary framing members are installed and fastened, properly aligned and sloped.
Verify damaged shop coatings are repaired with touch up paint.
Verify roof openings, curbs, pipes, sleeves, ducts, or vents through roof are solidly set, reglets are in place, and nailing strips located.
Correct defective conditions before beginning work.
INSTALLATION
Install in conformance with the NRCA Roofing and Waterproofing Manual and Manufacturers installation requirements.
Form panel shape as indicated on Drawings, accurate in size, square, and free from distortion or defects.
Install underlayment and eave protection sheet underlayment as recommended by the Manufacturer.
** NOTE TO SPECIFIER ** Coordinate insulation specifications with Section 07 25 00 - WeatherBarriers including insulation material selection, insulation attachment, and properties.
Coordinate with installation of rigid board insulation as specified in Section 07 25 00 - WeatherBarriers.
** NOTE TO SPECIFIER ** Delete the following paragraph if R-Mer Lite or R-Mer Lite II is specified.
Install all panels continuous from ridge to eave. Transverse seams are not permitted.
** NOTE TO SPECIFIER ** Delete the following paragraph if R-Mer Lite or R-Mer Lite II is specified.
Panel lengths that exceed maximum shipping lengths shall be field rolled on equipment owned by the panel manufacturer. Seam sealant must be factory applied.
** NOTE TO SPECIFIER ** Delete the following paragraph if R-Mer Lite or R-Mer Lite II is specified.
Exposed fasteners, screws and/or roof mastic are unacceptable and will be rejected. System configuration only allows for exposed fasteners at panel overlap, if required, and at trim details in accordance with the Manufacturer's requirements.
Where not otherwise indicated conform to SMACNA details including flashings and trim.
Install sealants where indicated to clean dry surfaces only without skips or voids..
** NOTE TO SPECIFIER ** Include the following paragraph as if Metal Edge Treatment and /or Metal Roofing Accessories are specified. Delete if not required.
Install metal edge treatment in accordance with the manufacturer's instructions and the approved shop drawings.
Install metal roofing accessories in accordance with the manufacturer's instructions and the approved shop drawings.
PROTECTION
Protect installed products until completion of project.
Touch-up, repair or replace damaged products before Substantial Completion.
SCHEDULES
** NOTE TO SPECIFIER ** Retain Paragraph below if required to suit project requirements. Identify products by name on the Drawings or use this paragraph to define the location of each type of material to be used. The following are some examples of schedule references. Edit as required to suit project or delete and identify products on the Drawings.
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END OF SECTION ................
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