Fire Resistant Flat Roof

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.

Fire resistant flat roof.

Metal tiles are made of a material that does not ignite when on fire with a fire resistant barrier with a class a protection. How fire resistant is your current roof. Isofire roof is a panel for roofing suited for new constructions and the refurbishing of industrial and commercial roofs. Class a is the most fire resistant and should be the choice of anyone living in wildfire prone areas.

Class a is the highest rating offering the highest resistance to fire and unrated is the worst. It is flexible fire resistant chemical resistant and virtually unbreakable. Fire resistance ratings time temperature include structural elements and everything above including the roof membrane and its surfacing. Rubbergard epdm fr fire retardant roofing membrane 1.

As many people know wood is fuel for a fire despite the fact that it is a valuable and reliable roofing material. 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. If you have one of these roofing types you might want to look into replacing the roofing material for a more fire resistant option. A fire resistant or fireproof roof gives the entire structure a better chance to survive a fire.

Most metal roofs are made of steel copper zinc and alloys that are best for the dry environment in nevada. Meeting code is necessary but exceeding it could result in a thinner less weather resistant roof. 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. Classes b and c denote progressively less fire resistant qualities.

Polycarbonate is almost as transparent as glass but with added benefits. The benefit of metal tiles is that they are non corrosive and sit strong on houses with a steep slope. Shingles are categorized into classes that identify their fire resistance. An example of an unrated covering is an untreated wood shake roof.

It is much stronger than glass having an impact resistance that is 200 times that of glass. Class a roofing materials are the most fire resistant. Wood shake plywood or particle board roof are the most common roofing types listed as class c. The fire rating of a roof covering is either class a class b class c or unrated.

An alternative to glass is polycarbonate. The fire retardant sheet is made up of a bottom ply of standard and a top ply of fire retardant compound.