Leveling Bathroom Floor

A plywood subfloor will bridge any minor waves in the existing floor and leveling compound would help too.
Leveling bathroom floor. To level a floor start by removing the existing flooring. You will have to make sure your joists can handle the addition of considerably more weight from the plywood subfloor and any floor coverings. Screw the strips into the floor joists or subfloor. Use screws to secure the leveling strips to the floor every 16 inches.
To do this simply cut several leveling strips the same size as the original strip. If the floor slants irregularly cut strips that bridge the cap at each floor joist. On the top side of the floor another fix it idea to lay down new hardwood over the existing floor. Then mix leveling compound according to the instructions on the package in a large bucket.
Once the compound reaches a creamy consistency pour a thin layer into the sunken sections then smooth out inconsistencies with a hand trowel. Work your way outward from the interior of the room. Clean the floor area to be filled with a broom or vacuum and dampen it with a wet sponge to avoid rapid drying.