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.
How to level a wood floor with cement.
When you re finished vacuum the floor thoroughly with a wet dry vacuum or sweep it with a broom.
Typically the floor must be level and uniform within 3 16 inch every 10 feet.
Hardwood floor installers often use the term level when referring to subfloors when actually they are meaning the term flat.
A new hardwood or laminate floor needs a level subfloor to prevent problems such as cracking and splitting from occurring in the future.
How to level a wood floor sub floor.
If you take the time.
Grinding and repairing a concrete floor can create concrete dust so be safe and wear a respirator.
You will have to make sure your joists can handle the addition of considerably more weight from the plywood subfloor and any floor coverings.
Whether you re going on to install hardwood ceramic tile or laminate one of the most important steps of any flooring project is making sure the subfloor foundation is level.
Use a long level and tape measure to check that the floor is level.
On the top side of the floor another fix it idea to lay down new hardwood over the existing floor.
A dust mask will not give you enough protection.
Level floors are critical for reducing.
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.
A plywood subfloor will bridge any minor waves in the existing floor and leveling compound would help too.
How to level a subfloor for a hardwood floor install.
If an engineer found no structural issues you may be able to level the floor by applying a cement based self leveling floor product such as henry level.