Flat Roof Fire Protection

A new roof is more than just shingles.

Flat roof fire protection. Skylights typically cover a small portion of the roof but they can still provide an entry point for wild fire. However in terms of durability a thicker membrane i e. Fire protection the building regulations approved document b4 sets out certain specified performance levels of surface finishes on flat roof to control the spread of flame. Common underlying materials include a type 72 roll roofing material also known as 72 pound felt or 72 pound capsheet material and a panelized gypsum product called densdeck.

Flat skylights contain tempered. Steep roof above 4 12 slope 29 cfr 1926 501 b 11. Not only do branches scratch and damage roofing materials if they catch fire they can ignite the nearby house. Particularly with a class a roof it will be the fire resistance of the siding sheathing or window that will determine the vulnerability of the complex roof not the roof covering itself.

A flat roof looks and performs very differently compared to a traditional sloped roof such as shingles tiles or metal. In many cases a thinner roof system will have better fire performance because it contains less fuel to feed a fire. Also roof deck protection lies flatter for a better looking roof. An exterior fire retardant treated shake roof has a stand alone class b rating.

Additional fire protection methods for roofs according to the national roofing contractors association homeowners should keep tree branches trimmed and away from the roof. Roof deck protection allows moisture to escape from your attic while providing an exceptionally strong layer of protection against wind driven rain. A rooftop fire can result in ignition of the underlying combustible roof deck if the mass of surfacing membrane and insulation is inadequate to thermally protect the deck from reaching its ignition temperature. Employers must provide the right equipment employers must provide fall protection and the right equipment for the.

Roof insulation fire performance before the latest amendments to adb the key fire consideration for flat roofing was requirement b4 which covered the resistance to fire from the outside of a roof system where achieving f ac to bs476 3 in the past and now b roof t4 gave unrestricted distance to the boundary of the building. There had previously never been a limitation on the reaction to fire of any component of that roof build up. Know the pitch of the roof and follow the appropriate standard. But by including a particular underlying material it can meet the requirements for a class a roof.

While its not designed to be a water shedding system because it has a low pitch flat roofing can still protect your home from leaks and severe weather.