How To Tile Over Plywood Subfloor

Once the surface is completely covered cover the adhesive with the fiberglass based paper and smooth out any wrinkles or bubbles with a broad drywall knife.

How to tile over plywood subfloor.

Use thinset with a higher latex content thinset is the wet base that you first trowel on the plywood to make the tile stick. Concrete board concrete board also called backer boardcomes in 1 4 and 1 2 thicknesses and is usually sold in 4 x 6 sheets. No matter how firm the subfloor. On a plywood subfloor you need either a layer of cement backer board or an underlayment membrane like custom building products wonderboard and redgard between the subfloor and tile for the thin set adhesive to achieve a good bond.

The old fashioned mud method of floating a thick mortar bed in preparation for the tile has given way to using cement backer board over a plywood subfloor. Installing tile over a wood subfloor is a lot easier today than it was when i started my remodeling career. For this project we are using the tavy thin skin system to prepare the surface for tile. There are two materials commonly used for laying ceramic on plywood or osb that are applied before the tile.

Begin by applying the thin skin adhesive to the plywood with a smooth trowel. It should be fastened to the subfloor using thinset and then screwed down every 10 square.