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7810501968500October 2011FLUID APPLIED ROOFINGSECTION 07560FLUID APPLIED ROOFING Updated – October 3, 2011PART 1DESCRIPTION1.1 DESCRIPTION OF ACCEPRTABLE SUBSTRATESThis specification is only intended for the application of the R-Nova Plus system over the following acceptable fully adhered/secured substrates; Modified Bitumen (smooth & granulated), Smooth Built Up, EPDM (Ethylene Propylene Diene Monomer), PVC (Polyvinyl Chloride), KEE (Ketone Ethylene Ester), TPO (Thermoplastic Olefin), Hypalon TM.(chlorosulfonated polyethylene) roofing systems, Plywood, APP (Atactic Polypropylene), Metal and Concrete substrates.1.2 DESCRIPTION OF FLUID APPLIED ROOFING SYSTEMThe fluid applied roofing system must consist of a reinforced elastomeric system specifically designed for use on a roof. 1.3 SECTION INCLUDES1.Fluid applied flexible urethane-modified acrylic elastomer coating waterproofing system over the existing roofing system. This work shall include the preparation of the roof deck, application of the roof system, flashing system, and clean up.1.4 RELATED WORK1.The contractor shall review all sections of these specifications to determine items of work that will interface with the application of this roofing system. Coordination and execution of related sections shall be the responsibility of the contractor.1.5 REFERENCES1.ASTM B117 -Test Method of Salt Spray (Fog) Testing.2.ASTM G-29 -Test Methods for Algae Resistance.3.ASTM E-108 -Test Method for Fire Test of Roof Coverings.4.ASTM D-1653 - Water Vapor Transmission of Materials.5.ASTM G26 -Practice for Operating Light- and Water-Exposure Apparatus(Xenon Arc Type) for Exposure of Nonmetallic Materials.07560 – Existing Substrate SpecificationPage 1 of 87810501968500October 2011FLUID APPLIED ROOFING6.ASTM D-412-Ultimate Tensile Strength at Break.7.ASTM D-6083-Standard Specification for Liquid Applied Acrylic Coatingsused in roofing.8.ASTM C1549-Standard test method for determination of solar reflectance near ambient temperature using a portable solar reflectometer9.ASTM C1371-Standard test method for determination of emittance of materials near room temperature using portable emissometers1.6 SUBMITTALS1.Shop Drawings: Submit shop drawings indicating special joints and conditions of interface with other materials.2.Product Data: Submit manufacturer’s product literature and installation instructions. Submit Material Safety Data Sheet for each material.3. Manufacturer's Certificate: Submit prior to the start of any work, the following:A signed letter from the manufacturer stating that Contractor is an approved installer of the manufacturer’s fluid applied roofing system and that the installation crew has been trained in the proper installation of the system by the manufacturer or a technical representative of the manufacturer. A signed letter from the manufacturer designating its technical representative for the project and attesting that this person is both qualified and authorized to act on its behalf in regards to design, inspection, and approvals to meet the requirements for its warranty.4. Samples: Submit 4 sets of color samples of each coating intended for use for approval.5. Warranty: Submit warranty as noted under item entitled “WARRANTY” section 1.11 below. QUALIFICATIONSApplicator Qualifications: A signed letter from the manufacturer stating that Contractor is an approved installer of the manufacturer’s fluid applied roofing system and that the installation crew has been trained in the proper installation of the system by the manufacturer or a technical representative of the manufacturer. 1.8 QUALITY CONTROLThe Contractor shall use manufacturer-approved methods and standards to prepare all surfaces and components as required by the plans and specifications and to install a complete fluid applied roofing system, providing watertight membrane, flashings, accessories, attachments and sealed joints and resistance to wind and other normal hazards for the specified warranty period.The roofing work shall be coordinated with appurtenant work such as flashing work and once started; the project shall progress expeditiously and without interruption to completion.The Contractor and technical representative shall attend pre-construction conferences and/or review detailing, preparation and installation procedures for the roofing system and coordinating and scheduling required with related work.The Contractor and technical representative shall inspect and approve roofing work at the following times:Prior to the start of the roofing installation, to assure the suitability of prepared substrates.Once during start of roofing installation.Upon completion, to verify and certify that the installation meets the requirements for issuance of the manufacturer’s warranty of the fluid applied roofing system for the period specified herein. The contractor shall notify the technical representative and the Contracting Officer of these scheduled times at least five days in advance to enable their attendance.The Contractor shall be responsible for assuming a watertight and weather tight building for the entire duration of the project. Damage to the building as a result of the work of this section shall be corrected at Contractor’s own expense.1.9 DELIVERY, STORAGE, AND HANDLINGDelivery of Materials: All roofing materials shall be delivered to the site in the original, unbroken manufacturer’s wrapping material and containers with the original seals and labels intact in quantities required to allow continuity of application. If any unlabeled materials are to be used, a properly attested certificate from their manufacturer stating that such materials comply with the requirements of the Contract Documents shall be furnished to the Contracting Officer prior to installation.Storage of Materials at Job Site:Materials shall be stored above the supporting surfaces on pallets or otherwise, except when placed on roof decks immediately prior to installationIf stored on other than the ground, all materials shall be distributed so that their resultant weight does not exceed the design live load on the deck.Materials shall be stored in their original undamaged containers in a clean, dry, location protected from dirt, moisture, oil, direct sunlight and physical damage, and within the temperature range required by their manufacturers.Proper fire and safety precautions shall be taken with materials containing solvents or which otherwise may be hazardous.Materials which either absorb or are adversely affected by moisture, petroleum-based or other fluids shall be kept dry. Wet materials and/or materials which appear to have deteriorated after becoming wet shall not be used on the job and shall promptly be removed.Handling of Materials: Material shall be handled in such a manner as to prevent damage and contamination of any kind.1.10 JOB CONDITIONS Environmental Requirements: Roofing shall not be applied during precipitation and shall not be started in the event there is a reasonable likelihood of precipitation during application.Interior Inspection: The Contractor together with the Contracting Officer shall inspect and record the ceiling condition of the building prior to the start of any roofing work. The Contractor shall be prepared to provide 6 mil clear polyethylene sheets to protect all furniture and equipment as deemed necessary by the Contracting Officer.1.11 WARRANTYThe Contractor shall furnish the following:A written warranty of the fluid applied roofing system for a two (2) year period after the project acceptance date. Warranty shall provide the following at Contractor’s own expense:Repair of roofing as necessary to seal leaks which are attributable to faulty materials and/or workmanship;Inspection by the Contractor and the manufacturer’s technical representative, together with the Contracting Officer, of the roofing, on or about the first of any deficiencies in materials or workmanship observed. Such correction work shall be done in a manner which will preserve the integrity of the complete fluid applied roofing system. A fifteen (10) year Roof Recovery Warranty from the manufacturer of the complete fluid applied roofing system.PART 2PRODUCTS2.1 MANUFACTURER1.SopremaToll Free:(800) 356-3521310 Quadral DrivePhone:(330) 334-0066Wadsworth, OH44281Fax:(330) 334-6257Web:soprema.us2.2 MEMBRANE COMPOUND MATERIALR Nova plus: Materials of multi-stage, fabric reinforced, urethane-modified acrylic elastomer coating, liquid applied in successive stages to form one continuous, seamless, watertight membrane.R Nova plus base and embedment coats: One coat each of highly flexible water based urethane-modified acrylic polymer resin coatings (blue). Both the Base Coat and Embedment Coat must consist of the same resins and quantity of resins. Base and embedment coats shall be of one color different from the top coats.R Nova plus top coats: Two top coats of ultraviolet light resistant, blend of highly flexible water based urethane-modified acrylic polymer resin coating; white unless otherwise specified. Alsan Polyfleece ST: This material shall be 100% polyester non-woven, stitch bonded, heat-set fabric with the following characteristics:Weight:2.7 oz / per square yard (91.54 grams / square meter)Tensile StrengthWarpFill43 lbs.55.3 lbs.(19.50 kg) (25.08 kg)per ASTM D 5034Elongation @ BreakWarp19.4%per ASTM D 5034Fill57.6%Ball Burst70 lbs.(31.75 kg)per ASTM D 3787Thickness.018 inches(.457 mm)per ASTM D-1777 R Nova plus cured membrane characteristics:PROPERTYTESTRESULTElongationASTM D638>500% elastomeric Tensile Strength (cured)ASTM D412>227 PSI VOC content:.32 g/lWeight Solids:64%Fungi ResistanceASTM G21No Growth SupportedMoisture VaporASTM E961.87 PermsResistance to ponding waterASTM D2923PASS7810501968500October 2011FLUID APPLIED ROOFINGSolar ReflectanceASTM C1549.88Thermal EmittanceASTM C1371.87California Title 24 CompliantCRRC (Cool Roof Rating Council) LISTED2.3 ACCESSORIES1. Alsan All Purpose cleaner: water-based surface cleaner designed to dissolve and remove heavy Accumulations of hard-to-remove dirt, oil and grease without the use of harsh solvents 2. R Nova plus mastic: thicker version of R Nova plus used to go onto vertical surfaces for flashing applications.3. R Nova plus matrix: a microfiber enhanced hybrid acrylic/urethane flashing paste.PART 3EXECUTION3.1 EXAMINATIONA. Before the work under this section is started, the Contractor, together with the manufacturer’s representative or their independent auditor/inspector (where applicable) shall meet with the Contracting Officer at the job-site to examine all surfaces on which roofing will be placed and all adjoining work, including inserts, which will affect or be affected by the roofing work. All unacceptable areas and/or conditions shall be corrected by the Contractor and verified and accepted by the roofing applicator and the manufacturer’s representative or their independent auditor/inspector prior to start of the work3.2 PREPARATIONA. Mildew Removal: Remove all mildew treatment solution such as Purex, Jomax Remover or equal products applicable for the intended use in strict accordance with the manufacturer’s recommendations and instructions. Following treatment, the surface shall be cleaned with potable water and allowed to thoroughly dry before application of roofing.Verify that existing roofing; concrete, metal, etc. surfaces are structurally sound, free of loose particles, cracks, pits, projections, or foreign matter detrimental to adhesion or application of roofing system.Seal all non-moving concrete cracks and joints greater than 1/32-inch and less than ?-inch, with non-gassing polyurethane sealant materials using depth to width ratio as recommended by sealant manufacturer.All moving concrete cracks and joints and all cracks and joints greater than ?-inch shall be routed, primed with concrete primer and filled in with manufacturer’s patching compound and then stripped in with a 6-inch wide polyester fabric and foundation coat.7810501968500 October 2011FLUID APPLIED ROOFINGAll metal surfaces with rust shall be wire brushed and treated with Stable Rust Primer.Remove all loose and blistering paint by scraping, sanding, or wire brushing down to stable substrate.Remove all efflorescence by sanding, wire brushing, and grinding down to bare surfaces. Treat remaining efflorescence surfaces with specialized concrete cleaning products intended for its use in strict accordance with manufacturer’s instructions.Verify that substrate surfaces are smooth, and not detrimental to full contact bond of roofing system.7810501968500October 2011FLUID APPLIED ROOFING3.4 APPLICATION General:Workmanship: The Contractor shall have a responsible foreman on the job during roofing operations who shall ensure that all work is done in accordance with the plans and specifications.No roofing shall be installed during precipitation and shall not be started in the event there is a possibility of precipitation during application.The application of roofing shall be as specified or as shown in the plansAbsolutely no roofing shall be applied before the substrates and the work in connection therewith have met the following conditions:Surfaces shall be smooth, free from loose materials, properly graded to outlets, and swept clean. All sharp projections and lumpy surfaces shall have been removed. All of the concrete substrates shall be primed with the manufacturer’s primer.5. Phased construction (roofing purposely interrupted for a period to permit other work and trafficking over the membrane) shall not be permitted. a. The complete roofing membrane shall be installed up to the line of termination (but allowing for required lapping) at the end of the day. Application:Protect adjacent surfaces not designated to receive roofing.Clean all surfaces, except asphaltic, with All Purpose Cleaner prior to installing coating materials. Do not allow cleaner to dry on the substrate, after 5 to 10 minutes rinse thoroughly to remove all cleaner.Apply roofing as indicated on the drawings and specified herein below unless otherwise directed by the manufacturer or technical representative.7810501968500October 2011FLUID APPLIED ROOFINGFor Field and Flashing work apply Base coat to the treated area. Embed fabric directly into the coating while still wet. Overlap adjacent runs of fabric 3-inches minimum. Immediately follow with a embedment coat, saturating the fabric and allow to dry.Apply foundation coat at 2.0 gallons per square and embedment coats at a rate of 1.5 gallons per square to create a monolithic membrane.Apply two top coats at a minimum rate of 1 gal per square per coat over entire area (field and flashing).Allow to dry between coats.An additional coat with aggregate can be applied in tapped off areas to create walkways and protection areas.3.5 PROTECTION AND CLEANINGA. Protection:1. Any work or materials damaged during the handling of roofing materials shall be restored to their original (undamaged) condition or replaced.2. The work of other trades shall not be marred or injured. Coating daubed or splashed onto adjoining surfaces shall be removed and the surface or finish restored to its original finish and appearance. Coating runs, sags and streaks over sheet metal surfaces shall be carefully removed so as not to scratch those surfaces. Protective coverings shall be installed at all pavements and exposed building walls as necessary to prevent the marring of existing surfaces.4. Protect finished fluid applied roofing system from other trades.5. Protection shall remain in place for the duration of the roofing work.B. Cleaning: Debris from roofing work shall be removed from the premises and disposed of at the end of each working day and upon completion of the work. The roofing shall be left in good, clean condition.END OF SECTION ................
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