Fire Rated Roof Decking

Firestall roof decking is a nailable class a fire rated structural roof decking made of multiple plies of homasote structural board and a face ply of ul listed n c f r homasote it is designed for use as a structural load bearing decking in residential and commercial buildings that require a class a 25 flame.
Fire rated roof decking. Although without specifying which fire rated wallboard was used for comparison. The fire resistance rated wall or assembly separating townhouses shall be continuous from the foundation to the underside of the roof sheathing deck or slab. Versashield fire resistant roof deck protection is a key part of the gaf lifetime roofing system 1 and has earned the good housekeeping seal. Roofing systems are rated by realistic fire tests.
Roofing systems must meet or exceed building codes and insurance requirements. Go to work with a building solution that meets building code requirements for fire resistent construction while increasing structural ratings. You can see that design in the photo below. Fire ratings may pertain to resistance to fire from above the roof system the familiar class a b or c ratings or fire exposure from the building interior the underside of the roof deck.
Na 3 1 4 lwc fluted. D798 res nwc all. We must emphasize however that individual roof components are not rated at all. D798 unres nwc mk6gf.
D780 unres z106hy na. In some jurisdictions roof assemblies are required to be fire resistant. We provde a design take off including everything you need from the materials design plans installation instructions to the technical support. The fire resistance rating shall extend the full length of the wall or assembly including wall extensions through and separating attached enclosed accessory structures.
It combines flame spread and burn through resistance to give your customers. Astm e108 defines fire test methods for roof. D798 unres lwc z106hy. Our roof systems are rated by code for external fire resistance under deck exposure and time temperature resistance.
How are roofs rated. Lp flameblock is an icc es evaluated component of 1 and 2 hour fire rated wall assemblies and roof deck applications. Versashield fire resistant roof deck protection provides the very best fire protection.