SECTION 074646 - FIBER-CEMENT SIDING

Fasteners: ASTM A153, hot-dip galvanized or stainless steel nails with 0.113 inch diameter shank and 0.27 inch diameter head, long enough to achieve 1 1-1/2 inch penetration into structural sheathing and framing . Sealant: ASTM C920, minimum Class 25 sealant. Weather Barrier [Building Wrap]: ASTM E1677; made from polyolefin fibers. ................
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