Fire Resistant Roof Sheathing

2 protects provides an extra layer of moisture protection between your roofing material and the roof deck.

Fire resistant roof sheathing.

For use in general construction. Class a class 1 fire retardant astm e 84 this plywood slows the spread of flames and reduces smoke. An engineered wood product fire rated osb sheathing such as lp flameblock sheathing eliminates a layer of gypsum by combining an ignition resistant cementitious coating with a layer of osb. Roof sheathing deck or slab of a fire resistance rated floor or roof above the ceiling of the corridor shall be permitted to be protected by the use of ceiling materials as required for a 1 hour fire resistance rated floor or roof system.

Lp flameblock fire rated osb sheathing helps you meet fire codes while reducing dead load and wall thickness versus common alternatives. A fire resistant roof includes the entire roofing system including the deck insulation underlayment and even the roof incline. Do more with less a building solution that provides strength savings and easy installation at an affordable price. Densglass sheathing is the 1 architecturally specified fiberglass mat gypsum sheathing 1 track record that spans more than 30 years helps add performance and durability to a wide range of fire rated and non fire rated building assemblies.

Class a is the most fire resistant and should be the choice of anyone living in wildfire prone areas. With its exposure 1 classification lp flameblock sheathing in roof deck applications is able to withstand exposure to moisture during normal construction delays. Roof eave fire resistance rating shall be permitted to be reduced to 0 hours on the underside of the eave if fire blocking is provided from the wall top plate to the underside of the roof sheathing. Versashield fire resistant roof deck protection is a key part of the gaf lifetime roofing system 1 and has earned the good housekeeping seal.

Wood species is fir. It carries an exposure 1 classification which means it can withstand normal exposure to moisture during construction. Here are some popular roofing materials to provide class a protection for your home. Applications e valuated by icc es for fire rated sheathing that combines flame spread and burn through resistance to meet fire codes.

Common class a roof coverings include asphalt fiberglass composition shingles and concrete or clay tiles.