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.

Are cement sheets flammable?

Cemintel fibre cement is a non-combustible solution for safe and compliant construction under the Deemed-to-Satisfy requirements of the BCA.

Can you use cement board around fireplace?

You can use Hardiebacker board around your fireplace. … However, using fiber cement board like Hardieboard is acceptable in locations including the mantel and fireplace surround.