There are often high and low spots in basement floors, which cause difficulty when you attempt to add new flooring. Use self-leveling cement to create a floor that is ready for any type of covering, according to SFGate.Continue Reading
Remove everything from the basement in order to use the self-leveling compound. Once the room is clear, remove any base trim.
Use a neutral pH cleanser to mop the floor. Once it is clean, use a mop and clear water to rinse. Allow it to dry thoroughly.
Pull a straight two-by-four across the floor. Mark any place where the board begins to lift on one end when held flat against the floor on the other side as a high spot. Use a concrete grinder to remove excess material so it is level with the floor. Sweep away any dust from grinding.
Use the adhesive recommended by the leveling compound manufacturer. Apply using a paint roller. Allow to dry according to the manufacturer's directions.
Mix the compound using an electric drill and paddle bit. It should be the consistency of brownie mix. Spread to a ¼-inch thickness with a squeegee. The slow-setting product levels as it dries. The normal drying time is 48 hours. Once dry, the floor is smooth, level and ready for the new flooring.