Fire Rating Siding Class A
New construction in all california s high fire zones labeled as the wildland urban interface w u i requires all exterior wood be listed as ignition resistant class a after weathering.
Fire rating siding class a. While a wallcovering will certainly burn if it has a rating of class a that means that it reduces how quickly the fire spreads. The score is relative and balanced between asbestos cement sheet with a score of 0 and pure red oak with a score of 100. In the flame spread rating test a score of 0 to 25 constitutes a class 1 rating. Brief origin of the rating.
A durable secure home not only will steel siding offer superior protection against high heat and flames potentially saving your home but this material has additional benefits. Additionally they slow fires from spreading into buildings and damaging property so that s more time for the fire department to reach your home in case of an emergency. As the name states this rating pertains to how well a particular wallcovering performs in the event of smoke or fire. A class 1 or class a fire rating means that the building material is highly resistant to fire and does not spread flames quickly.
Many fiber cement products carry a class a fire rating meaning that they can withstand several hours of heat before melting down. A combustible material will be rated as class a class b or class c based on its performance in this test. Dassoxtr has been tested and meet standards for class a fire rated and w u i. A material rated as class a would have a lower flame spread and therefore a better performance rating than a class c material.
Fiber cement siding is the only siding on the market to receive a class 1 a rating making it ideal for any property where the threat of fire may be a concern. Timbersil wood is one of a small group of real wood siding products approved by the state to be used in these high fire areas. Approved for both our decking siding dassoxtr fused bamboo decking siding has been tested for flame smoke and fire testing and has earned the class a fire rating. Once installed your project will look like a highly trained mason hand selected unique stones over countless hours for installation.
These class a fire rated panels are quickly becoming a favorite for both residential and commercial projects. Products can earn anywhere from a class a rating the highest level of fire retardancy to class c the least fire retardant. Click on any image below to view the pdf testing performed and the results. Replace your siding today.
A class a rating means it is going to offer the maximum protection possible against fire and will not spread flames. There are three classifications a through c.