This does not mean that clearances to combustible building materials can be reduced by using hardiebacker 1 4.
Hardie cement board fire rating.
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.
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.
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.
Cement boards 4x8 ft cement boards fiber cement compound drywall spackle green.
The best backer board choice.
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.
Durock cement board hardie backer 0 25 in.
James hardie fire cement products are classified as non combustible.
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.
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.
Get free shipping on qualified fire resistant cement boards or buy online pick up in store today in the building materials department.
Hardiebacker board is generally noncombustible and the heat produced from the fireplace will not damage it.
We also have details of the systems available to assist in the material selection.
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.
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.
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.
The hardiebacker board is made with a quarter inch thickness so that it can serve as fireplace facing.
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