30 minute fire rated plywood30 minute fire rated plywood

w/3/4" T&G OSB w/live load 40lbs: WFC30: Wood: Floor / Ceiling: . Firefree 88 Assemblies by Building Material with 1 & 2 Hour Fire Ratings . The gained insulating char protects the elements composing the substrate from fire. - Firewall Technology emits less smoke protecting you from suffocation. To view the range of Flame Proof MDF click here span 17', live load 20lbs, 1/2" plywood, 2" x 8" @ 24" o.c., span 10', live load 20lbs, 1/2" plywood, 2" x 6" @ 24" o.c., span 8', live load 20lbs, 1/2" plywood, 14" TJI 35 @ 32" o.c., span 24', live load 40lbs, 3/4" plywood, 11" TJI 35 @ 32" o.c., span 22'-6", live load 40lbs, 3/4" plywood, 18" TJI 35 @ 32" o.c., span 30'-6", live load 40lbs, 3/4" plywood, 2" x 12" @12" o.c., 3/4" T&G plywood rafters, span 21', load 20lbs, 2" x 4" @ 24" o.c., 1/2" plywood, span 8', 5" x 20" beams@ 8' o.c. span 14', live load 40lbs, 2"X 6" wood planks, ceilingr 5/8" sheetrock, 2" X 12" joists @ 16" o.c., w/2-1/2" wood decking , 1 layer 5/8" GWB, 2" x 4" web trusses @ 24" o.c., span by engineer, load 60lbs, 1 layer 3/4" plywood, 1 layer sound mat, 1 layer gypcrete,1/2" RC channel, 5/8" type "X" gwb, 2" x 4" wood web trusses2' deep @ 24" o.c., 3/4" OSB T&G subfloor, 1/2" cellulose sound board, 1 layer 5/8"type X GWB, 15" wood web joists @24" o.c., R-20 fiberglass batts, subfloor 3/4" osb, span by engineer, load 40lbs, ceiling 5/8" type X osb, 18" web trusses @116" o.c., span by engineer, load 40lbs, subfloor 3/4"plywood, ceiling 5/8" type X gwb, 2" x 4" trusses w/2" x 6" bottom chord @ 24" o.c. "contactPoint": [{ Plywood is made by gluing together thin sheets of wood. ASTM E-2768- A newer standard in fire ratings, this test is usually called a 30-minute version of the ASTM E84 test. Her interests include art and real estate investments. Another important measurement is flame spread, which is used to compare how rapidly a flame spreads on the surface of material versus other materials. For fire-retardant wood to be substituted for a noncombustible material, it is required to have a Class A rating. From 663.35 RRP: 704.22 . 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. FLAME RETARDANT & FIRE RESISTANT COATINGS, 1-888-990-3388 ',(az36\\\\02" + In BS fire retardant properties is classified basis testing a plywood for its spread of flame at 90 sec and 10 min and basis the spread it is classified under Class 1, 2, 3 & 4. If your project requires lumber that has been fire-rated, you need to buy lumber that specifically has a fire rating stamped on it. We do also supply uncertified Grade B Doors. w/ 1/2" plywood roof decking live load 20lbs, 2" x 6" F/D joists @16" o.c. w/3/4" T&G OSB, live load 40lbs, 2" x 10" rafters @24' o.c. Resistance is measured in time (e.g. All the other properties of the plywood are retained. Most cities will have certain statutes that give guidelines as to when fire-rated plywood should be used. The unique pressure treatment that fire-rated plywood is made with means that you should expect your plywood to stay fire-protective as long as it exists without fire. The International Building Code requires a smoke-developed index of less than 450. One of the drawbacks using this method is lead times can be between 3-5 weeks from receipt of an order. Any thickness is allowed, but plywood is rated for various spans "for best performance." Look on the plywood sheets and they have a grade stamp, like 24/16.