Floor Cement Board Thickness

Hello why does my bucket of pre mixed thinset morter say do not use to install backer board to sub floor.

Floor cement board thickness.

Cement board replaces the mortar bed and anchors the tile to the needed flat surface allowing the tile job to last a long time. While using 1 4 thick rather than 1 2 thick cement backer board is acceptable how you install the backer board and attach it to the plywood subfloor is as important as how you lay the tile on top of it. Can i use it for that. It s the best substrate for your tiling job.

If you re installing backer board over an existing subfloor 1 4 inch is sufficient. The edges of the cement board should be no closer than 8 inches to the joints in the subflooring. Mainly the products i m talking about are considered to be cement backer boards for tile installation. Screwing the plywood down to the floor joists should take care of most squeaks.

If you use a too thin cement board it won t successfully support. Make a rough plan for the cement board sheet layout based on the area to be covered and the size of the cement board sheets. Common mistakes with cement board installation which products are we talking about. Lay the first sheet of cement board onto the mortar so the rough side of the board is facing up.

The all new hardiebacker cement board with hydrodefense technology delivers exceptional performance with a waterproof composition throughout the board. It has to be rock solid before you lay the 1 2 in. We take a look at tile backer board including types applications and tips for proper installation. The joints between the sheets should be offset by the joints in the plywood or other subflooring by at least 8 inches for maximum floor stiffness.

Whatever your subfloor is made of be sure it s squeak free before you install the cement board.