How To Fix Uneven Plywood Floors

Spread the leveler over the floor with a trowel or a gauge rake so it covers each low area completely.

How to fix uneven plywood floors.

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. Here s how to fix a few common types of subfloors. Pour a generous amount of mixed leveler onto the subfloor focusing on one or more wavy areas. You will have to make sure your joists can handle the addition of considerably more weight from the plywood subfloor and any floor coverings.

On the top side of the floor another fix it idea to lay down new hardwood over the existing floor. Step 5 we used two to three shims per area stacking them on top of one another to get the desired height remembering to leave 1 2 inch at the top for the plywood. How to fix an uneven concrete floor concrete floors leveling issues can be fixed using a self leveling compound mix that basically uses natural gravity to fix your uneven concrete floor. First make sure that the joists are even and not the cause of the problem.

What you need to fix an uneven subfloor. Mix the floor leveling compound with water in a bucket following the manufacturer s directions. Liquid primer treat floors first before putting down compound. For plywood and osb oriented strand board over joists.

The process of fixing an uneven subfloor depends on the type of material you re dealing with and the cause of the problem. Some sanding may be needed when it sets completely. Start by ensuring your floor is clean and that any debris has been swept up so as to avoid anything getting caught up in the mixture once poured. After uninstalling the laminate for the third time it was time to get to work leveling the floor out so that the boards would install as they were designed to.

After removing the sleepers old nails and other debris from the area we placed shims every 12 to 14 inches down the length of the floor on either side of the cut out opening.