Is James Hardie Siding Fire Rated

However they do qualify for use in certain 1 hour fire rated warnock hersey and ul assemblies.

Is james hardie siding fire rated.

This means that it is a non combustible cladding and will not ignite when exposed to direct flame or extreme heat nor will it contribute fuel to a fire. Ul 263 fire tests of building construction and materials. A fiber cement product simply does not burn. 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.

Ubc 7 1 94 uniform building code standard. For homes that have a fireplace or live in areas vulnerable to wildfires an investment of james hardie siding could literally save lives. While vinyl siding is technically non flammable it does warp and melt when close to flames. It is not 1 hour fire rated but it is still classified for use in certain 1 hour fire rated warnock hersey and ul assemblies.

James hardie siding products will not combust or spread flame and can be installed as part of a 1 hour fire resistance rated wall assembly which can help buy critical time for the homeowners to evacuate and fire professionals to extinguish flames a main reason it. It does not provide a good barrier for flames. That said while james hardieplank siding won t allow fire to penetrate your home s interior it does allow heat to transfer. Of course wood siding is rather vulnerable to fire due to its nature and building material.

James hardie fiber cement siding is fire resistant which is a huge advantage compared to wood or vinyl siding. A homeowner cannot get any better fire safety quality than that. Unless otherwise noted fire ratings apply to tests conducted on both sides. While jameshardie products will not ignite when exposed to direct flame or contribute fuel to a fire heat will transfer through them.

Fibre cement cladding from james hardie has a fire rating of a2 s1 d0 which is the highest possible fire rating for a coloured cladding board. Think of jh products as a pan used for cooking. The astm rating for james hardie siding classifies it as non combustible. All james hardie siding and trim materials from hardieplank lap siding to hardiepanel vertical siding to straight and staggered edge hardieshingle siding are rated as non combustible based on astm fire resistance tests.

Designs listed are minimum construction requirements to achieve fire rating.