Fire Retardant Roofing Materials

Gypsum board also known as drywall consists of a layer of gypsum sandwiched between two sheets of paper.

Fire retardant roofing materials.

These materials include clay concrete shingles metal roofing and fiberglass asphalt composition. But by including a particular underlying material it can meet the requirements for a class a roof. Classes b and c denote progressively less fire resistant qualities. An exterior fire retardant treated shake roof has a stand alone class b rating.

Shingles are categorized into classes that identify their fire resistance. Many communities in fire prone areas ban class b and class c roofing materials for safety reasons. 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. Class b roofing is made of combustible materials that are treated with chemicals to make them more fire retardant.

The benefit of metal tiles is that they are non corrosive and sit strong on houses with a steep slope. 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 doers get more done. Generally most fiberglass shingles have class a fire ratings and most organic shingles such as treated wood shingles have class c ratings.

Class b materials are banned in some areas however because they are combustible. The fiberglass based variety also offers excellent fire resistance when installed with fire code compliant underlayments. Concrete block plywood siding fire resistant building materials metal roofing building materials abc siding all electrical supplies. Class b materials are fire resistant but only withstand moderate exposure to fire.

As the most economical of all residential roofing materials asphalt shingles make up 80 percent of the u s. Many structural materials will require underlying gypsum sheathing in order to achieve a good fire resistant rating and gypsum board is the most commonly used fire resistant interior finish. Metal is an extremely fire resistant roofing material regardless of what material the shingles are composed of. Most metal roofs are made of steel copper zinc and alloys that are best for the dry environment in nevada.

Class a roofing materials are typically non combustible can withstand severe fire exposure and don t produce firebrands. One of the most important aspects to fire proofing your home or building is the roof. Class c roofing is made up of things like untreated wood shakes and shingles which will only survive light fire damage.