Fire Resistant Flat Roof

If you have one of these roofing types you might want to look into replacing the roofing material for a more fire resistant option.

Fire resistant flat roof.

The rock wool insulation gives strength and protection in case of fire. The fire retardant sheet is made up of a bottom ply of standard and a top ply of fire retardant compound. Class a is the most fire resistant and should be the choice of anyone living in wildfire prone areas. Examples of a class a roof covering include concrete or clay roof tiles fiberglass asphalt composition shingles and metal roofs.

Metal tiles are made of a material that does not ignite when on fire with a fire resistant barrier with a class a protection. 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. The fire rating of a roof covering is either class a class b class c or unrated. An example of an unrated covering is an untreated wood shake roof.

Isofire roof is a panel for roofing suited for new constructions and the refurbishing of industrial and commercial roofs. Most metal roofs are made of steel copper zinc and alloys that are best for the dry environment in nevada. The benefit of metal tiles is that they are non corrosive and sit strong on houses with a steep slope. Classes b and c denote progressively less fire resistant qualities.

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. Meeting code is necessary but exceeding it could result in a thinner less weather resistant roof. 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. Polycarbonate is almost as transparent as glass but with added benefits. Class a roofing materials are the most fire resistant. A fire resistant or fireproof roof gives the entire structure a better chance to survive a fire.

Class a is the highest rating offering the highest resistance to fire and unrated is the worst. Wood shake plywood or particle board roof are the most common roofing types listed as class c. Fire resistance ratings time temperature include structural elements and everything above including the roof membrane and its surfacing. It is flexible fire resistant chemical resistant and virtually unbreakable.

Shingles are categorized into classes that identify their fire resistance. An alternative to glass is polycarbonate.