50 to 100 per square enough shingles to cover 100 square feet installed.
Fire resistant metal roofing.
However certain limits are placed on metal s fire resistance when used as part of a metal roof system.
Versashield fire resistant roof deck protection is a key part of the gaf lifetime roofing system 1 and has earned the good housekeeping seal.
And in many cases there is a building component roof deck framing directly under metal panels.
Typically made with copper zinc steel or alloy metal tiles are ideal for dry climates and wildfire areas.
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.
It s lightweight won t corrode and requires little maintenance.
Metal panels transfer heat very well they get hot quickly and give up heat quickly.
The class a rated centennial slate shingle from certainteed boasts the affordability of an asphalt shingle and the luxe look of natural slate.
But by including a particular underlying material it can meet the requirements for a class a roof.
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.
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 roofs are non combustible and can offer some of the best available protection from external fires.
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 is a safe and environmentally responsible choice for a fire resistant roof.
Metal sheets and shingles can be fashioned to resemble cedar shake and other roofing materials but without the fire hazard.
Metal is an extremely fire resistant roofing material regardless of what material the shingles are composed of.
Some builders add products such as kynar.
An exterior fire retardant treated shake roof has a stand alone class b rating.
The fiberglass based variety also offers excellent fire resistance when installed with fire code compliant underlayments.
Additional fire protection methods for roofs.
This insulating metal roof product is resistant to fire corrosion abrasion moisture and uv rays.
Versashield fire resistant roof deck protection provides the very best fire protection.
In some jurisdictions roof assemblies are required to be fire resistant.
These tiles do not ignite when set on fire and have a fire resistant barrier with a class a level of protection.
Metal metal roofing is non combustible and offers class a protection in combination with a fire resistant underlayment.