Fire Retardant Roofing Materials

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.

Fire retardant roofing materials.

Shingles are categorized into classes that identify their fire resistance. Concrete block plywood siding fire resistant building materials metal roofing building materials abc siding all electrical supplies. These materials include clay concrete shingles metal roofing and fiberglass asphalt composition. Metal tiles are made of a material that does not ignite when on fire with a fire resistant barrier with a class a protection.

But by including a particular underlying material it can meet the requirements for a class a roof. Class b materials are banned in some areas however because they are combustible. 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 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 a roofing materials are the most fire resistant. The different materials can vary from zinc copper steel galvanized steel aluminum and so on. An exterior fire retardant treated shake roof has a stand alone class b rating.

Metal is an extremely fire resistant roofing material regardless of what material the shingles are composed of. 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. 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.

The benefit of metal tiles is that they are non corrosive and sit strong on houses with a steep slope. Class b materials are fire resistant but only withstand moderate exposure to fire. Many communities in fire prone areas ban class b and class c roofing materials for safety reasons. Class c roofing is made up of things like untreated wood shakes and shingles which will only survive light fire damage.

How doers get more done. Gypsum board also known as drywall consists of a layer of gypsum sandwiched between two sheets of paper. Generally most fiberglass shingles have class a fire ratings and most organic shingles such as treated wood shingles have class c ratings.