Fire Resistant Flat Roof

Expect to pay between 6 50 and 8 50 per square foot installed.

Fire resistant flat roof.

Most metal roofs are made of steel copper zinc and alloys that are best for the dry environment in nevada. An unrated roof is the most vulnerable the most common example of an unrated roof covering is one made using non fire retardant treated wood shakes or shingles. Shingles are categorized into classes that identify their fire resistance. The fire rating of a roof covering is either class a class b class c or unrated.

Class b materials are banned in some areas however because they are combustible. But by including a particular underlying material it can meet the requirements for a class a roof. When tested to see how fast a fire spreads with these materials class a materials stop the spread two feet better than class b. A fire resistant roof includes the entire roofing system including the deck insulation underlayment and even the roof incline.

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. Class b materials are fire resistant but only withstand moderate exposure to fire. Fire resistance ratings time temperature include structural elements and everything above including the roof membrane and its surfacing. Classes b and c denote progressively less fire resistant qualities.

Manufactured using a highly effective fire retardant and underlaid with a fire resistant barrier this assembly is one of only a few synthetic roofing materials to get ul s class a fire rating. 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. These materials include clay concrete shingles metal roofing and fiberglass asphalt composition. Class a roofing materials are the most fire resistant.

An exterior fire retardant treated shake roof has a stand alone class b rating. How fire resistant is your current roof. The roof sheathing material plays a large role in preventing ignition and slowing the spread of fire to other parts of the building. Have a look at ecostar s recycled rubber majestic slate traditional tiles.

Good fire resistant roofing materials. Metal tiles are made of a material that does not ignite when on fire with a fire resistant barrier with a class a protection. Metal is an extremely fire resistant roofing material regardless of what material the shingles are composed of. A fire resistant or fireproof roof gives the entire structure a better chance to survive a fire.

The benefit of metal tiles is that they are non corrosive and sit strong on houses with a steep slope. Here are some popular roofing materials to provide class a protection for your home.