Fire Rated Cement Board Siding

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Fire rated cement board siding.

Many fiber cement products carry a class a fire rating meaning that they can withstand several hours of heat before melting down. And fiber cement brings documented fire resistant properties that help protect your home in the event the worst happens. Note that most fiber cement sidings require a gypsum board underlayment to reach their maximum efficacy. Fiber cement siding is a home siding material that is attractive paintable and is also fire resistant.

Usg durock brand 1 2 in. Concrete block plywood siding fire resistant building materials metal roofing building materials abc siding all electrical supplies. 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. Cement board with edgeguard model 172954 view the tile backerboard collection 10 97.

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. Yes hardiebacker 1 4 cement board is deemed noncombustible when tested to astm e 136 and can be used in conjunction with other noncombustible materials around a fireplace. Fiber cement 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. Two hour fire rated construction chase walls steel framed acoustical performance construction detail description test number stc test number 9 1 2 usg durock brand cement board and 1 4 ceramic tile two rows 2 x 4 wood studs 16 o c.

Nichiha s robust architectural wall panel rainscreen system and thick sierra lap board are ibc code compliant for use as exterior cladding in fire resistance rated wall assemblies. Fiber cement siding maintenance. On 2 x 8 common plate 3 1 2 thermafiber safb both cavities joints taped. Hardietrim boards hardiesoffit pre cut panels artisan by james hardie hardiewrap weather barrier hardiebacker cement board.

While more fiber cement siding manufacturers have popped up in recent years unlike other home related materials such as flooring or tile fiber cement is not a market that lends itself to small or even medium scale manufacturers. The astm designation for durockbrand cement board is c1325. Reports are subject to re examination revisions and possible changes all durockbrand cement board products meet astm standard e136 for noncombustibility. This does not mean that clearances to combustible building materials can be reduced by using hardiebacker 1 4.