How To Level Plywood Sub Flooring

In this video you ll see how you can do plywood subfloor leveling using the plywood sheets.

How to level plywood sub flooring.

Use a brush for application in smaller areas. Spread the leveler over the floor with a trowel or a gauge rake so it covers each low area completely. If the subfloor is plywood or particle board start by screwing down any loose boards or plywood sheets. Pour a generous amount of mixed leveler onto the subfloor focusing on one or more wavy areas.

I was going to install a hardwood floor 5 8 thickness but ther. Replace any nails with screws since nails that popped up will loosen again. Add more wood screws if needed to secure them. When leveling floors made of wood you ll need to sand down any high spots.

Pour the powder into a 10 us gal 38 l bucket and begin adding room temperature water little by little until the mixture thickens to slurry. Thoroughly cover all areas with one coat of primer to enhance adhesion of the leveling compound to the plywood surface. Mix the leveling compound to a creamy consistency. When installing a plywood subfloor on top of the slab at grade the thickness is governed by how long the fasteners for the flooring will be.

Self leveling compound or underlayment can be poured over a wood subfloor but it. Allow the primer to dry thoroughly. Remove the existing flooring pull up the current floor. Mix the floor leveling compound with water in a bucket following the manufacturer s directions.

Most leveling compounds are sold in powdered form and just need to be combined with a little bit of water in order to be effective. Apply a latex floor primer to the entire plywood surface using a paint roller. This number is known as a span rating. 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.