2001 ASD Supplements - unprotected PDF - American Wood Council

ASD STRUCTURAL LUMBER SUPPLEMENTL-29Table 6.4One-Hour Fire-Rated Wood Floor/Ceiling AssembliesJoists Insulation Furring Ceiling Sheathing Floor Sheathing Details2x10 @ 16"5/8" Type X Gypsum Nom. 1" wood flooring or 19/32" T&G plywood*o.c. none Optional F Wallboard or ½" Type Xgypsum wallboardunderlayment (single floor); building paper, andNom. 1" T&G boards or 15/32" plywood* subfloorFigure 6.82x10 @ 16"o.c. none (none) F2x10 @ 16"o.c.2x10 @ 24"o.c.nonenoneResilientchannelsResilientchannelsFF½" x24"x48" mineral acousticalceiling panels (see griddetails)5/8" Type X GypsumWallboard or ½" proprietaryType gypsum wallboard5/8" proprietary Type gypsumwallboardNom. 19/32" T&G plywood* underlayment (singlefloor); building paper, and 15/32" plywood*subfloorNom. 19/32" T&G plywood* underlayment (singlefloor) or 15/32" plywood* subfloorNom. 23/32" T&G plywood* underlayment (singlefloor) or 15/32" plywood* subfloorFigure 6.9Figure 6.10Figure 6.11F- Face layer sheathing; *Oriented Strand Board (OSB) panels are permitted for certain designs. Subfloors for certain designs may be nom. 7/16" OSB.Table 6.5Two-Hour Fire-Rated Wood Floor/Ceiling Assemblies6Joists Insulation Furring Ceiling Sheathing Floor Sheathing Details5/8" proprietary Type X gypsum(none) Bwallboard2x10 @ 16"o.c.noneResilientchannelsF5/8" proprietary Type X gypsumwallboardNom. 1" wood flooring or 19/32" T&Gplywood* underlayment (single floor);building paper, and Nom. 1" T&G boardsor 15/32" plywood* subfloorFigure 6.12B- Base layer sheathing (direct attached); F- Face layer sheathing; *Oriented Strand Board (OSB) panels are permitted for certain designs. Subfloors for certaindesigns may be nom. 7/16" OSB.OTHER CONSIDERATIONSAMERICAN FOREST & PAPER ASSOCIATION