How To Level An Uneven Bathroom Floor

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How to level an uneven bathroom floor.

If the uneven floor is due to floor joists that have warped or twisted over time or were incorrectly installed the only way to level the floor is to remove the subflooring and shim the joists. Otherwise your method has merit. Fixing a floor that sags and dips pour self leveling underlayment in the problem area. Continue to check the level in several directions around the toilet bowl and add more shims as necessary to level.

If the floor slants irregularly cut strips that bridge the cap at each floor joist. Screw the strips into the floor joists or subfloor. I would make the strips narrower than 6 if the floor s slope is not consistent maybe as narrow as 2 otherwise 6 is ok and you will need a 3 4 t g plywood subfloor. What you really need is to re do the floor the way it was.

Compound can correct sags and dips as deep as 1 1 2 inches. This compound can potentially be utilized on a concrete slab or a wood subfloor and it works well when you are dealing with dips in the floor. Fill cracks in concrete subfloor and make sure the filled areas are level before cleaning the subfloor. Use screws to secure the leveling strips to the floor every 16 inches.

If you have access to the basement or crawlspace it is possible to jack up saggy joists until they are level and then sister them so that they remain straight after the jacks are removed. A thorough cleaning is also necessary to get the subflooring ready to accept the liquid bonding agent. To do this simply cut several leveling strips the same size as the original strip.