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 backer board for tile floor you tube.
Never install new tiles over existing tiles or onto an unprotected wood or plywood floor.
All the insider information on how to build and waterproof a.
First changes in humidity make solid wood shrink swell and cup more than plywood.
Unlike wood or drywall sub surfaces cement backerboard will not rot warp or grow mold and mildew when exposed to water.
Second the strength of wood boards isn t always consistent.
This provides a solid surface under the tile that prevents flexing that could lead to cracking.
Install a cement based backer board following the manufacturer s instructions.
Backer board is a common material used in tiling projects.
Joe from our how to community discusses the different types of backer board and when you should use them for your diy tile project.
According to backer board manufacturers and tile setters installing backer board directly over an old solid wood subfloor is risky for a couple of reasons.
Use a polymer modified thin set a type of mortar to attach the backer board to the subfloor.