Click the link in the email to create a new password. If you are searching for a door which offers 60 minutes of fire protection, then you should explore the range of FD60 fire doors available here at Leader Doors today. There are tons of different types of plywood, too. "url": "https://www.firefree.com", "@type": "Organization", Get each Blank for 237.73. w/3/4" T&G plywood, 1-1/2" gypcrete, 1/2" RC channel @24" o.c., 5/8" type "X" gwb, unbacked fiberglass batts, 2" x 10" joists @ 16" o.c. The other way to do it is to use a sealant or paint thats been rated for fireproofing. It is based on an arbitrary scale on which the asbestos cement board is given a value of 0 and red oak a value of 100. To make it more heat-resistant and flame-retardant, builders use a special chemical treatment to make plywood fire-rated. In addition to the usual gypsum found in regular drywall, fire-rated drywall contains glass fibers to form a super-tough core. LP FlameBlock Fire-Rated OSB Sheathing 29915 - The Home Depot This plywood has been grade stamped and third party inspected to ensure quality. a 30 minute fire door) and usually relates to a composite, an assembled product or a constructed setup. Fire-rated plywood is available from general home improvement stores and lumber suppliers throughout the nation.