If the concrete slab is in very poor condition the best practice is to use a grinder or buffer with a concrete scraper over the entire surface before covering it with a layer of self leveling concrete.
Flooring over slab on grade.
Many types of flooring can be installed over a concrete sub floor.
Solid parquet hardwood flooring can be glued directly to a concrete slab on grade or above grade with the use of a manufacturer recommended vapor retarder.
Part of this fit that you may not consider is the material you ll be laying your flooring onto.
If the 1 1 2 in.
A second solution would have been placing the slab and then building a sleeper system on top of it to support the floor.
Solid parquet should not be installed below grade.
Alternate subfloor system use a minimum 3 4 inch cd exposure 1 plywood sheathing 4 foot by 8 foot sheets.
In on grade and below grade applications add vapor retarder before applying underlayment.
Vinyl flooring is very durable and fits over most surfaces including concrete.
Although the flooring comes in a variety of forms planks are installable with a minimal amount of tools and.
Laminate flooring is a good alternative to wood flooring in basements.
When you browse flooring types you consider colors styles and materials that are a good fit for your home.
However many homeowners are disappointed to discover that solid wood flooring cannot be installed on a concrete slab.
First you should put down 2x4 inch lengths of wood called sleepers.
Height change is too much consider laying a laminated wood floor instead.
One solution would have been installing rigid insulation under the slab turning it up on the perimeter to form a giant pan and then casting the concrete slab inside the pan.
Many concrete floors have a tendency to get damp so when you are installing wood floors over a concrete slab foundation there are some important things that you need to do.
It will add less than 3 4 in.
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