How To Fix Uneven Plywood Floors

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.

How to fix uneven plywood floors.

Liquid primer treat floors first before putting down compound. For plywood and osb oriented strand board over joists. What you need to fix an uneven subfloor. Spread the leveler over the floor with a trowel or a gauge rake so it covers each low area completely.

Mix the floor leveling compound with water in a bucket following the manufacturer s directions. You will have to make sure your joists can handle the addition of considerably more weight from the plywood subfloor and any floor coverings. Pour a generous amount of mixed leveler onto the subfloor focusing on one or more wavy areas. 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.

On the top side of the floor another fix it idea to lay down new hardwood over the existing floor. First make sure that the joists are even and not the cause of the problem. Some sanding may be needed when it sets completely. 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.

A little cheat to help work past a small dip in your subfloor when installing laminate flooring. Here s how to fix a few common types of subfloors. A plywood subfloor will bridge any minor waves in the existing floor and leveling compound would help too. 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.

The process of fixing an uneven subfloor depends on the type of material you re dealing with and the cause of the problem.