Concrete joists with lips on either side about halfway up are placed on the floor.
How to floor concrete.
Concrete blocks are then laid horizontally between the joists resting on the lips and level with the top of the joists.
Hills and valleys that are more than 3 16 of an inch can cause problems for any flooring you plan to place on top of the concrete flooring.
Concrete floors can be susceptible to settling and cracking over time and this is a more frequent problem when an existing structural slab has adapted to a finished residential flooring surface such as when a basement or loft condo has been converted to living space.
The concrete was poured over the toilet collar flange and will be cut out later.
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.
Then apply scrub and squeegee off the floor in the same manner as the degreaser.
Mix it until it is the consistency of a thick pancake batter.
Whether you want to refinish an uneven basement floor or replace or add new flooring on top of an existing concrete floor somewhere in your home you most likely will need to level the concrete floor.
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.
Pour the fresh concrete over the floor then go over it with a 1 4 gauge rake to bring it level image 2.
Mix the concrete according to the directions with a mixing bit on a heavy duty drill image 1.
To test the evenness of a concrete floor lay a 10 foot long 2x4 board across the surface.
Insulation is then put down underneath the screed or in some cases timber sheets.
Over time concrete floors can settle unevenly or become uneven due to cracking and moisture.
Thinking about adding a concrete floor to your home.