Tile On Plywood Underlayment

When installing a tile floor a layer of cement backer board is usually put down over a plywood subfloor to provide a firm stable surface.

Tile on plywood underlayment.

For floor tile in any room use cementboard or a similar tile backer instead. Exterior plywood is an acceptable underlayment for tile and is preferred to interior grade plywoods because the bonding adhesives used are waterproof. It s another tyvek product and suitable for shingle underlayment. Made of lightweight polyethylene the membrane is only 1 8 thick and can be cut easily with a utility knife.

Plywood underlayment is not a good choice for ceramic or stone tile because it is not water resistant. Do you know that the manufacturer provides a 40 year limited warranty for this product. Apa rated sturd i floor panels are specially designed as combination subfloor underlayment. Plywood is porous and not designed for use with most of today s latex based thinset mortars.

The best argument when determining whether to use plywood or cement board under tile is in the adhesive process. To simplify your decision consider plywood underlayment if it is recommended by the flooring manufacturer. Set your job up for success. The roofs include cedar shingles asphalt shingles tile and even metal.

If water seeps through the tile installation to the underlayment it will not cause the wood to swell as happens with interior grade plywood. Cement backerboard is designed specifically for this use. You get a smoother application and better adhesion so your tile job is less likely to fail when the backerboard is made of cement. A waterproof underlayment membrane like ditra from schluter systems can be substituted for backer board.

This tile roof underlayment is from synthetic materials and matches with various roof types.