Class a class 1 fire retardant astm e 84 this plywood slows the spread of flames and reduces smoke.
Fire resistant roof sheathing.
Wood species is fir.
Class a is the most fire resistant and should be the choice of anyone living in wildfire prone areas.
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.
The roof sheathing material plays a large role in preventing ignition and slowing the spread of fire to other parts of the building.
For use in general construction.
Here are some popular roofing materials to provide class a protection for your home.
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.
It carries an exposure 1 classification which means it can withstand normal exposure to moisture during construction.
Applications e valuated by icc es for fire rated sheathing that combines flame spread and burn through resistance to meet fire codes.
Versashield fire resistant roof deck protection is a key part of the gaf lifetime roofing system 1 and has earned the good housekeeping seal.
Lp flameblock fire rated osb sheathing helps you meet fire codes while reducing dead load and wall thickness versus common alternatives.
Good fire resistant roofing materials.
2 protects provides an extra layer of moisture protection between your roofing material and the roof deck.
Do more with less a building solution that provides strength savings and easy installation at an affordable price.
Common class a roof coverings include asphalt fiberglass composition shingles and concrete or clay tiles.
With its exposure 1 classification lp flameblock sheathing in roof deck applications is able to withstand exposure to moisture during normal construction delays.
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.