How To Install Hardiebacker Board On Floor

Mark any cuts that need to be made using a straightedge to ensure uniform cutting lines.

How to install hardiebacker board on floor. Replace any loose warped uneven or damaged sections of floor. With the plywood in place install the backer board as you normally would. 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.

How to install hardiebacker board. Add a layer of 1 2 in. Measure the floor and dry lay the hardiebacker before determining any cuts that need to be made.

Smooth the mortar so it extends about 1 1 2 inches on each side of the joint. Screws every 6 in. The plywood adds stiffness and stability to the floor.

Make large cuts with a circular saw. No four corners should meet. If installing hardiebacker cement board over existing floor ensure the floor is flat and floor covering is thoroughly adhered to the subfloor.

Make sure subfloor is dry level and fastened correctly. How to install backer board step 1. Using a sliding motion firmly and evenly embed your hardiebacker cement board in the wet mortar.

Make sure none of the board edges end on. The extra mortar will make it easier to. Ensure subfloor is not damaged.