Fire Rated Cement Board Siding

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Fire rated cement board siding.

Usg durock brand 1 2 in. Icc es ner 405 fire resistance rated wall assemblies ner report ner 405 click the link above and go to section 3 5 of ner 405. An alternative to vinyl siding fiber cement a mixture of cement sand and wood fibers manages to achieve very high fire resistance without sacrificing convenience and durability many fiber cement products carry a class a fire rating meaning that they can withstand several hours of heat before melting down. What constitutes a 1 hour fire rated assembly.

A durock panel with a thickness of 1 2 or 5 8 inch can provide two hours of fire protection when installed correctly and in conjunction with all fireproofing. It offers the look of authentic wood shiplap siding even with lookalike textured wood grain. Hardietrim boards hardiesoffit pre cut panels artisan by james hardie hardiewrap weather barrier hardiebacker cement board. Are james hardie products a masonry product.

On 2 x 8 common plate 3 1 2 thermafiber safb both cavities joints taped. Fiber cement can withstand high heat from fires. The exact fire rating of durock is dependent on the other materials used during construction but a panel 1 4 or 1 2 inch thick typically provides an additional hour of fire protection. Options like cement board siding come in a variety of modern textures profiles sheens and shapes providing an abundance of design flexibility while still being fire rated.

Fiber cement siding panels can improve the overall fire resistance hardening rating of your home which is helpful for insurance purposes in western locations like california. Note that most fiber cement sidings require a gypsum board underlayment to reach their maximum efficacy. Concrete block plywood siding fire resistant building materials metal roofing building materials abc siding all electrical supplies. Unlike wood it is fire resistant.

The period of time a fire resistant building element like jameshardie siding along with other components of the assembly maintains the ability to confine a fire continues to perform a given structural function or both as determined by astm e 119 tests. Fiber cement shingles and clapboards made from a mix of portland cement sand and wood usually carry a class a fire rating which means they can withstand 2 to 4 hours of high heat before your home s structure starts to fail. Cement board with edgeguard model 172954 view the tile backerboard collection 10 97.