Fire Rated Cement Board Siding

Are james hardie products a masonry product.

Fire rated cement board siding.

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. Cement board with edgeguard model 172954 view the tile backerboard collection 10 97. 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.

It offers the look of authentic wood shiplap siding even with lookalike textured wood grain. Concrete block plywood siding fire resistant building materials metal roofing building materials abc siding all electrical supplies. 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. Fiber cement siding stormed onto the scene a few decades ago and revolutionized the house siding industry because it possesses the best of many worlds.

Usg durock brand 1 2 in. 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 siding maintenance. On 2 x 8 common plate 3 1 2 thermafiber safb both cavities joints taped.

Note that most fiber cement sidings require a gypsum board underlayment to reach their maximum efficacy. 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. 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.

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. 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. Unlike wood it is fire resistant.