Floor Leveling Compound Concrete Slab

How to level an uneven exterior concrete slab step 1.

Floor leveling compound concrete slab.

3 8 cm thick in one pour and seeks its own level in minutes. It is ideal for new floor and repair projects when you need long flow life and working time. The easiest way is to use a self leveling compound also called liquid floor underlayment or floor resurfacer within sections of level cut rails. Neglecting to prepare the old surface will prevent the new concrete from adhering correctly resulting in a weak bond between the two layers.

Let s say you re upgrading an old damaged concrete floor that s settled or cracked. You will need a clean area to work with. Typically the floor must be level and uniform within 3 16 inch every 10 feet. Happily enough leveling uneven concrete slabs has an easy fix that won t sacrifice your headroom.

Self leveling compounds are cement based powdered mixtures that a worker prepares. The best self leveling compounds for a concrete floor self leveling compound identification. Where self leveling concrete is used. Apply concrete leveler primer to the floor with a soft bristle push broom.

The thicker floor leveling compounds that must be troweled to achieve a proper finish can t do this. Fill any low spots with a cementitious leveling compound following the manufacturer s directions and allow it to dry before proceeding. This quick setting underlayment can be applied to 1 5 in. Concrete leveler achieves high 24 hour strength and can be covered with finished flooring in 4 to 16 hours at 70 degree f 21 degree c.

Sweep the concrete area with a broom to remove any dirt from the slab. Make sure to smooth out any puddles of primer to end up with an even coat. Acrylic based self leveling compounds require mixing the cement powder with a specified amount. Soak a clean brush roller into the latex.

If you plan on leveling a concrete floor you can do so with relative ease by using a leveling compound. The material flows out like thick syrup then hardens into a smooth perfectly level surface. You can level an existing concrete floor with a leveling layer of new concrete but you must prepare the old concrete floor first. Pour about 1 2 gallon of latex primer in a new or clean paint tray.

It spreads across uneven slabs filling in low spots as it creates a new level surface. Spread it over the entire surface of the floor with the push broom and apply downward pressure to work it into the pores of the concrete. Check your wood flooring manufacturer s recommendations and sand any high spots with a concrete grinder.