Fire Resistant Flat Roof

The rock wool insulation gives strength and protection in case of fire.

Fire resistant flat roof.

Meeting code is necessary but exceeding it could result in a thinner less weather resistant roof. Shingles are categorized into classes that identify their fire resistance. Fire resistance ratings time temperature include structural elements and everything above including the roof membrane and its surfacing. Wood shake plywood or particle board roof are the most common roofing types listed as class c.

Class a is the most fire resistant and should be the choice of anyone living in wildfire prone areas. Isofire roof is a panel for roofing suited for new constructions and the refurbishing of industrial and commercial roofs. Polycarbonate is almost as transparent as glass but with added benefits. 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.

If you have one of these roofing types you might want to look into replacing the roofing material for a more fire resistant option. It is much stronger than glass having an impact resistance that is 200 times that of glass. A fire resistant or fireproof roof gives the entire structure a better chance to survive a fire. It is flexible fire resistant chemical resistant and virtually unbreakable.

Description the firestone rubbergard epdm fr fire retardant membrane is a 100 cured roofing membrane made of a synthetic rubber ethylene propylene diene terpolymer. Classes b and c denote progressively less fire resistant qualities. Most metal roofs are made of steel copper zinc and alloys that are best for the dry environment in nevada. Class a is the highest rating offering the highest resistance to fire and unrated is the worst.

As many people know wood is fuel for a fire despite the fact that it is a valuable and reliable roofing material. How fire resistant is your current roof. The fire rating of a roof covering is either class a class b class c or unrated. The benefit of metal tiles is that they are non corrosive and sit strong on houses with a steep slope.

An example of an unrated covering is an untreated wood shake roof. Examples of a class a roof covering include concrete or clay roof tiles fiberglass asphalt composition shingles and metal roofs. Rubbergard epdm fr fire retardant roofing membrane 1. An alternative to glass is polycarbonate.

Metal tiles are made of a material that does not ignite when on fire with a fire resistant barrier with a class a protection. A one hour rating would mean the structural elements have not yet reached their yield point when exposed to a under deck heat load defined in astm e119 for steel structural members as reaching 1 070 degrees f.