Fire Resistant Metal Roofing

Metal is an extremely fire resistant roofing material regardless of what material the shingles are composed of.
Fire resistant metal roofing. And in many cases there is a building component roof deck framing directly under metal panels. In some jurisdictions roof assemblies are required to be fire resistant. Additional fire protection methods for roofs. 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 sheets and shingles can be fashioned to resemble cedar shake and other roofing materials but without the fire hazard. The different materials can vary from zinc copper steel galvanized steel aluminum and so on. Classic metal roofing systems the leader in producing fire safe roofing for residential applications manufactures products that are 1 20 the weight of most tile products and eligible for class a b or c fire ratings as determined by roof preparation. Metal roofing can be made from copper zinc and steel as well as various alloys and comes in a variety of finishes colors and designs.
Metal roofs are non combustible and can offer some of the best available protection from external fires. Metal metal roofing is non combustible and offers class a protection in combination with a fire resistant underlayment. However certain limits are placed on metal s fire resistance when used as part of a metal roof system. Metal panels transfer heat very well they get hot quickly and give up heat quickly.
But by including a particular underlying material it can meet the requirements for a class a roof. It s lightweight won t corrode and requires little maintenance. Some builders add products such as kynar. These tiles do not ignite when set on fire and have a fire resistant barrier with a class a level of protection.
Metal is a safe and environmentally responsible choice for a fire resistant roof. Metal roof systems are required to be fire classified because of the concern about the combustibility of the materials under the metal panels. An exterior fire retardant treated shake roof has a stand alone class b rating. This insulating metal roof product is resistant to fire corrosion abrasion moisture and uv rays.
Typically made with copper zinc steel or alloy metal tiles are ideal for dry climates and wildfire areas. And unlike some other roofing materials they offer this protection without any special fire resistive treatments which tend to wash away after a few years of exposure to the weather. The codes acknowledge that. The class a rated centennial slate shingle from certainteed boasts the affordability of an asphalt shingle and the luxe look of natural slate.
Versashield fire resistant roof deck protection is a key part of the gaf lifetime roofing system 1 and has earned the good housekeeping seal.