Seal Plywood Bathroom Floor

A typical wood framed residential flooring system is more complicated than you think.

Seal plywood bathroom floor.

Plywood underlayment adds strength to a floor raises the floor or provides a fastening surface for the finished flooring. Caulk any seams where two pieces of plywood are butted together. Remove any residue using the tacky cloth as in step 1. Then put down wallpaper in your pattern of.

Sand the primed plywood with 320 grit sandpaper to remove any areas that may have raised while painting the primer. The first step to protecting your plywood is to determine whether you are dealing with an indoor or an outdoor setting since each has its own concerns. Just sand any high spots and fill the low spots with leveling compound. Most ceramic tile manufacturers require a minimum 1 inch thick floor or they will not guarantee the installation.

Thoroughly vacuum the existing floor and use a long floor leveler and tape measure to ensure the subfloor is level within 3 16 inch for every 10 feet. Wallpaper as floor paper. For example if you are dealing with an. Caulk any splits in the wood or any other areas that may provide a point for water to seep under the subfloor.

In addition to the visible surface flooring material the carpet tile or hardwood there is usually an underlayment and beneath that is a subfloor that serves as the foundation and structural reinforcement for the floor. Plywood used for underlayment ranges from one eighth inch to one half inch depending on the requirement or need. Paint a second primer coat. The deflection on a floor less than 1 inch thick causes the tile to crack or pull free of the mortar.

Dab caulk onto nail or screw heads to seal the potential leak point they provide. You ll need to know how to level a floor.