Fire Rated Exterior Siding

It also allows for the use of fiberglass insulation.

Fire rated exterior siding.

Siding types that are the most highly rated when it comes to fire resistance include fiber cement metal and brick. A class a rating means it is going to offer the maximum protection possible against fire and will not spread flames. The highest rating possible for fire resistance. Aluminum and steel siding are virtually peerless when environmental hazards strike.

Is hardie siding fireproof. These wood products undergo a processing step whereby these chemicals are fixed or otherwise contained to prevent or minimize leaching of the chemical. This assembly is fire rated for 1 hour from the interior side only except when brick is the exterior facing. Although vinyl is one of the most popular types it s not recommended if your home is at high risk.

Only one brings with it the durability worry free fire resistance that you need to help ensure your home s exterior is protected from the threat of fires. Note that most fiber cement sidings require a gypsum board underlayment to reach their maximum efficacy. While choosing exterior siding fire resistance may not be the first thing that springs to mind. Warnock hersey fire resistance rated wall assemblies warnock hersey product listings standards products are certified against astm iso en can cgsb can ulc 1 hour fire resistive rated wall assemblies click the link above each design number below represents a james hardie 1 hour fire resistive wall assembly jh fcs 60 01.

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. James hardie siding is mostly made up of sand and cement which makes it highly resistant to fire. Exterior rated fire retardant treated frt wood products are pressure impregnated with chemicals that improve the fire performance characteristics. Rollex navigator steel siding for example has a class a fire rating.

While fire resistance won t make your home fireproof fire rated exterior siding will help protect the building and your possessions until the fire department can arrive on the scene limiting damage. Most metal siding is rated as noncombustible which means that in fire safety testing it was shown not to ignite and spread fires. Not only do these tough exteriors stand up well to wind rain hail and sleet they re also very fire resistant.