How To Level Plywood Sub Flooring

Pour a generous amount of mixed leveler onto the subfloor focusing on one or more wavy areas.

How to level plywood sub flooring.

Mix the leveling compound to a creamy consistency. Make sure to remove stray nails or staples. Replace any nails with screws since nails that popped up will loosen again. Remove the existing flooring pull up the current floor.

Apply a latex floor primer to the entire plywood surface using a paint roller. 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. Use a pry bar and hammer to remove baseboards to create an expansion gap a space that allows the new flooring to expand from heat and moisture. Helpful tips on how to pour self leveling concrete over a wood subfloor.

Add more wood screws if needed to secure them. Mix the floor leveling compound with water in a bucket following the manufacturer s directions. Use a brush for application in smaller areas. This number is known as a span rating.

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. I was going to install a hardwood floor 5 8 thickness but ther. Spread the leveler over the floor with a trowel or a gauge rake so it covers each low area completely. 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.

Thoroughly cover all areas with one coat of primer to enhance adhesion of the leveling compound to the plywood surface. If the subfloor is plywood or particle board start by screwing down any loose boards or plywood sheets. Self leveling compound or underlayment can be poured over a wood subfloor but it. When leveling floors made of wood you ll need to sand down any high spots.