In that design typically frt plywood roof decking was used for four feet on either side of the firewall between building sections and the firewall terminated just below the roof decking.
Fire rated roof decking.
Roofing systems are rated by realistic fire tests.
Rooftop deck system is class a fire rated versadeck rooftop deck systems provide turnkey solutions for your roof deck needs.
The fire resistance rating shall extend the full length of the wall or assembly including wall extensions through and separating attached enclosed accessory structures.
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 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.
D780 unres z106hy na.
Roofing systems must meet or exceed building codes and insurance requirements.
Na 3 1 4 lwc fluted.
It combines flame spread and burn through resistance to give your customers.
How are roofs rated.
D798 unres nwc all.
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.
Astm e108 defines fire test methods for roof.
We must emphasize however that individual roof components are not rated at all.
D798 unres lwc z106hy.
D798 res nwc all.
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.
Versashield fire resistant roof deck protection provides the very best fire protection.
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.
D798 unres nwc mk6gf.
Although without specifying which fire rated wallboard was used for comparison.