Hardie Cement Board Fire Rating

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Hardie cement board fire rating.

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. 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. 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. Cement boards 4x8 ft cement boards fiber cement compound drywall spackle green.

Durock cement board hardie backer 0 25 in. Hardiebacker cement board is a portable fiber cement backer board that is composed of 90 portland cement and sand 10 cellulose. Hardiebacker cement board hardiebacker cement board is the strongest easiest to use and is the most durable lightweight cement backer board on the market today. 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.

It can be used as part of a hour long fire wall which is a wall that can resist a fire for up to an hour when properly constructed. 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. The hardiebacker board is made with a quarter inch thickness so that it can serve as fireplace facing. Can james hardie products be used around a masonry fireplace.

This does not mean that clearances to combustible building materials can be reduced by using hardiebacker 1 4. The best backer board choice. We also have details of the systems available to assist in the material selection. 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.

The james hardie fire and acoustic rated walls have been developed to assist you in selecting a suitable james hardie product and to choose a system which will meet your performance requirements. Can james hardie products be used around a masonry fireplace. James hardie fire cement products are classified as non combustible.