Leveling Concrete For Wood Floor

Mop concrete subfloors with diluted muriatic acid to clear away traces of oil wax or adhesive that may be clinging to the surface.

Leveling concrete for wood floor.

This step is only needed if the compound begins to harden before it has had a chance to fully cover the floor and self level. Slip shims under the low end of the 2x4 rail until it s perfectly level then use a scribing tool to transfer the unevenness of the floor onto the rail. Level high spots with a concrete float as necessary. If your floor is concrete use a concrete grinder for large open areas or a 4 inch or 8 inch angle grinder with a cup wheel attachment made for use on concrete.

Mostly used on concrete floors it also works on plywood floors. To resurface an uneven concrete slab begin by laying a long straight 2x4 wooden rail across the concrete slab floor with one end positioned on the high point in the room. It comes as a powder then mixed with water to a batter like consistency. Self leveling underlayment products can be used on concrete floors wood subfloors that are uneven but still in decent shape and even over ceramic tile floors eliminating the task of tearing.

Grinding and repairing a concrete floor can create concrete dust so be safe and wear a respirator a dust mask will not give you enough protection. Fill any low spots with a cementitious leveling compound following the manufacturer s directions and allow it to dry before proceeding. Fill cracks in concrete subfloor and make sure the filled areas are level before cleaning the subfloor. Use builder s felt or shingles stapled to the floor to fill small low spots if you don t want to wait for leveling compound to dry.

The material is also called self leveling concrete concrete floor leveling compound latex leveling compound or self leveling underlayment. Typically the floor must be level and uniform within 3 16 inch every 10 feet. Check your wood flooring manufacturer s recommendations and sand any high spots with a concrete grinder. Choose a concrete floor grinder to remove high spots on a.