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.

Class c roofing is made up of things like untreated wood shakes and shingles which will only survive light fire damage. As the most economical of all residential roofing materials asphalt shingles make up 80 percent of the u s. Class a roofing materials are typically non combustible can withstand severe fire exposure and don t produce firebrands. Most metal roofs are made of steel copper zinc and alloys that are best for the dry environment in nevada.

Metal is an extremely fire resistant roofing material regardless of what material the shingles are composed of. 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. How doers get more done. The different materials can vary from zinc copper steel galvanized steel aluminum and so on.

Classes b and c denote progressively less fire resistant qualities. These materials include clay concrete shingles metal roofing and fiberglass asphalt composition. 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.

The fiberglass based variety also offers excellent fire resistance when installed with fire code compliant underlayments. Many communities in fire prone areas ban class b and class c roofing materials for safety reasons. Concrete block plywood siding fire resistant building materials metal roofing building materials abc siding all electrical supplies. Class b roofing is made of combustible materials that are treated with chemicals to make them more fire retardant.

One of the most important aspects to fire proofing your home or building is the roof. 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. Metal tiles are made of a material that does not ignite when on fire with a fire resistant barrier with a class a protection. Fire resistant roofing materials with the threat of wildfires being more real these days it is important to make your building fire resistant.

Class a roofing materials are the most fire resistant. 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 fire resistant but only withstand moderate exposure to fire.