w/1-1/8" T&G plywood, 1-1/2" gypcrete, span 7' to 10', live load 60lbs, 11-7/8" TJ'I's @ 16" o.c. ARCHITECT PLY is a premium product made from exclusive hardwood species bonded with BWP grade synthetic resin. This is another common incorrect call-out by home inspectors. This allows the structure to maintain its integrity longer under the stress of the fire. Calculating Fire Resistance Ratings of Wood Assemblies Using - EVstudio Encore Doors - 90-, 60-, 45- and 20-minute fire ratings available; 20-minute Wood Fire-Rated Doors. fire rating | The Original Plasterers Forum - The Plastering Forum - A Fire Retardant Panels | Fire Rated MDF | Latham Timber w/ 1/2" plywood, span 17', live load 20lbs, 4" x 10" beams @8' o.c. Plywood is an engineered wood product that you can use for a range of different projects from outdoor construction to building furniture and other dcor items. , w/5/8" plywood, span 8', live load 20lbs, 2" x 6" rafters @24" o.c. Here's What You Need to Know About Fire Rated Plywood Materials You can usually find them on the tag where the details of the plywood are mentioned in the store. w/3/4" T&G OSB w/live load 40lbs, 2'x10" joists @ 16' o.c. With the second method, you may not get as much fireproofing. The only noncombustible structural panel for Types I and II construction. over metal trusses @5' o.c., w/1/2" plywood, live load 20lbs, steel coating by others, 2" x 6" F/D rafters @24" o.c. w/1-1/8" T&G plywood floor, 1-1/2" gypcrete, span 31-34', live load 60lbs, 28" TJ''s (metal tubing) @24" o.c. What Is Fire-Rated Plywood? (Find Out Now!) - Upgraded Home Class A Fire-Retardant Paint | Firefree Coatings or 1 layer 5/8" GWB, live load 40lbs, 11-7/8" TJI @16" o.c., w/ 1 layer 3/4" T&G plywood, 1 layer 5/8" GWB, live load 40lbs, 2" X 12" joists @ 16" o.c., span 16', live load 40lbs, w/1/2" plywood, 1/2" soundboard, ceiling 1 layer 5/8" GWB, 2" x 6" joists @16" o.c., span 10', live load 60lbs, 1-1/2" gypcrete, 3/4" osb subfloor, 1/2" type C or 5/8" type "X" gwb, 2" x 10" joists @ 16" o.c.