Fire Rated Roof Decking
You can see that design in the photo below.
Fire rated roof decking. D798 unres nwc mk6gf. D780 unres z106hy na. D798 unres nwc all. Na 3 1 4 lwc fluted.
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. It combines flame spread and burn through resistance to give your customers. 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.
Rooftop deck system is class a fire rated versadeck rooftop deck systems provide turnkey solutions for your roof deck needs. 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. We must emphasize however that individual roof components are not rated at all. D798 res nwc all.
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. Astm e108 defines fire test methods for roof. Go to work with a building solution that meets building code requirements for fire resistent construction while increasing structural ratings. Although without specifying which fire rated wallboard was used for comparison.
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 provides the very best fire protection. Our roof systems are rated by code for external fire resistance under deck exposure and time temperature resistance. In some jurisdictions roof assemblies are required to be fire resistant.
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. Roofing systems must meet or exceed building codes and insurance requirements. We provde a design take off including everything you need from the materials design plans installation instructions to the technical support.