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 construction materials. … Is DuroFoam a Vapour barrier? durofoam insulation.

Is Durock cement board flammable?

This DUROCK® cement board is a non-combustible, water and mold-resistant panel designed for use under tile, in shower areas, and readily applied over wood or steel framing applications.

Can you use durock 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.