Hardibacker Floor Installation Instructions

Hardiebacker is available in both 1 4 inch and 42 inch thick hardiebacker 500 versions and is designed to add mold and moisture resistance to tile installations.

Hardibacker floor installation instructions.

Hardiebacker cement board is made better to install better and perform better. Installation instructions for these materials. Why backer board is imperative even if the wall or floor surface is tiled it s not waterproof. Using a notched trowel apply a leveling bed of thinset mortar over the subfloor and embed the backer board sheets into the adhesive.

Lay the backer board according to the manufacturer s instructions. If you don t install backer board the interior of your home may be susceptible to moisture moisture can come from many sources including plumbing leaks an overflowing bathtub or sink stream from a shower pooling water or other sources. Install boards 1 4 in above floor tub or shower pan and caulk accordingly. Spread the mortar to about 3 16 thickness.

Fasten cement board with specified nails or screws as listed in materials required a maximum of 8 in on center at all supports. If you re preparing to do a ceramic floor or wall installation it s recommended that you install hardiebacker cement board on your subfloor or wall before you begin to lay the tile. Cement board commonly sold under trade names such as durock hardiebacker and wonderboard is now the standard underlayment used for ceramic porcelain or stone tile laid with thinset mortar adhesive cement board is used for most floor tile and has all but replaced plywood and drywall backer materials for wall tile applications in wet areas like showers and tub surrounds. Unlike wood or drywall sub surfaces cement backerboard will not rot warp or grow mold and mildew when exposed to water.

Keep fasteners 3 8 in from board edges and 2 in in from sheet corners. Whenever you re laying tile on a wood subfloor you need to first install cement backerboard to prevent leaks and water damage. Fasten cement board with specified nails or screws as listed in materials required a maximum of 8 in on center at all supports. That s why it was named the most preferred brand of backer board by tile installers and contractors according to the 2019 tile and stone report conducted by clearseas research in partnership with the national tile contractors association and tile magazine.

Installation instructions for these materials. Never install new tiles over existing tiles or onto an unprotected wood or plywood floor. Install boards 1 4 in above floor tub or shower pan and caulk accordingly. Keep fasteners 3 8 in from board edges and 2 in in from sheet corners.