ASD/LRFD Manual - American Wood Council
ASD/LRFD Manual - American Wood Council
ASD/LRFD Manual - American Wood Council
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114 M16: FIRE DESIGN<br />
Figure M16.1-10 One-Hour Fire-Resistive <strong>Wood</strong> Floor/Ceiling Assembly<br />
(2x10 <strong>Wood</strong> Joists 16" o.c. – Gypsum Directly Applied or on Optional Resilient Channels)<br />
1. Nominal 1 in. wood flooring or 19/32 in. T&G plywood<br />
underlayment (single floor). Oriented strand<br />
board (OSB) panels are permitted for certain designs.<br />
2. Building paper.<br />
3. Nominal 1 in. T&G boards or 15/32 in. plywood subfloor.<br />
Subfloors for certain designs may be nominal<br />
7/16 in. OSB.<br />
4. 1/2 in. Type X gypsum wallboard (may be attached<br />
directly to joists or on resilient channels) or 5/8 in.<br />
Type X gypsum wallboard directly applied to joists.<br />
5. 2x10 wood joists spaced 16 in. o.c.<br />
Fire Tests:<br />
1/2 in. Type X gypsum directly applied<br />
UL R1319-66, 11-9-64, Design L512;<br />
UL R3501-45, 5-27-65, Design L522;<br />
UL R2717-38, 6-10-65, Design L503;<br />
UL R3543-6, 11-10-65, Design L519;<br />
ULC Design M502<br />
1/2 in. Type X gypsum on resilient channels<br />
UL R1319-65, 11-16-64, Design L514<br />
5/8 in. Type X Gypsum directly applied<br />
UL R3501-5, 9, 7-15-52;<br />
UL R1319-2, 3, 6-5-52, Design L 501;<br />
ULC Design M500<br />
<strong>American</strong> <strong>Wood</strong> <strong>Council</strong>