Fire Resistant 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.

Fire resistant roof sheathing.

A fire resistant roof includes the entire roofing system including the deck insulation underlayment and even the roof incline. Good fire resistant roofing materials. 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. Wood species is fir.

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. It carries an exposure 1 classification which means it can withstand normal exposure to moisture during construction. This type of product offers the structural strength of traditional osb along with icc certified fire code compliance.

Applications e valuated by icc es for fire rated sheathing that combines flame spread and burn through resistance to meet fire codes. Here are some popular roofing materials to provide class a protection for your home. Do more with less a building solution that provides strength savings and easy installation at an affordable price. For use in general construction.

Common class a roof coverings include asphalt fiberglass composition shingles and concrete or clay tiles. Class a class 1 fire retardant astm e 84 this plywood slows the spread of flames and reduces smoke. The roof sheathing material plays a large role in preventing ignition and slowing the spread of fire to other parts of the building. 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.

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.