Fireproof Roofing Felt

Versashield fire resistant roof deck protection is a key part of the gaf lifetime roofing system 1 and has earned the good housekeeping seal.

Fireproof roofing felt. A fire resistant or fireproof roof gives the entire structure a better chance to survive a fire. Roofing felt is comprised of a base made from natural materials such as wood cellulose or synthetic ones such as fiberglass or polyester and then coated or saturated with a protective coating such as bitumen asphalt which repels water but still allows the product to breathe. The different materials can vary from zinc copper steel galvanized steel aluminum and so on. In some jurisdictions roof assemblies are required to be fire resistant.

The resistance to fire of roofing materials is rated based on a series of tests that is defined by a fire rating. Also a roofing contractor can advise you on the relative advantages and disadvantages of various fire resistant roofing materials. Metal is an extremely fire resistant roofing material regardless of what material the shingles are composed of. Shingles are categorized into classes that identify their fire resistance.

Felt will become brittle like a potato chip and crumble with time. Class a roofing materials are the most fire resistant. Therefore they do not need to be tested to the astm e 108 standard and given a fire resistant rating e g a class a class b or class c fire resistant rating. Also felt is flamable.

The terms fireproof roof materials and fire resistant materials can be used interchangeably to describe how easily a material burns. Here are a few materials on the market that are effective in withstanding fire. Many noncombustible roofing materials receive a stand alone class a rating by meeting the noncombustible definition as provided in the building code. All materials including those used for roofing are categorized according to their relative fire resistance.

Each metal type has a different melting point but most fires do not reach such extreme temperatures making a metal roof one of the. Replacing roofing materials is difficult and dangerous work. A reliable roofer will be able to find the right option to match your style and budget. What are the most fire resistant roofing materials.

Classes b and c denote progressively less fire resistant qualities. No not at all. The synthetic roof underlayments are far superior and many jurisdictions no longer allow felt. Concrete one of the most common building materials is also an excellent fire resistant material it is noncombustible and has low thermal conductivity meaning that it takes a long time for fire to affect its structural load bearing ability and it protects from the spread of fire.