When installing a ceramic tile floor on a concrete subfloor you don t have to worry about flexing as long as the concrete slab is at least 1 1 8 inch thick which most slabs are.
Subfloor floor on concrete.
Concrete expands and contracts and that type of movement can also crack the tiles and the grout.
An underlayment is a thin layer of material sandwiched between two other materials.
If you have a concrete slab floor the slab may be considered the subfloor.
However you re not out of the woods.
These subfloors which can be made from both synthetic and natural materials are highly resistant to moisture.
Nail down subfloor system get 3 4 inch minimum cd exposure 1 plywood subfloor panels 4 foot by 8 foot sheets.
If you have a subfloor that consists of wood on top of concrete you ll need to test both floors.
It s used to help insulate absorb sound and reduce wear on your floor.
To install any kind of floor covering engineered wood laminate carpeting basement subflooring is required.
Structural panel concrete subfloor is a cured in factory panel that is noncombustible inorganic mold moisture termite resistant and dimensionally stable floor assembly suitable for many floor finishes.
If necessary add vapor retarder before applying underlayment especially recommended if 3 4 inch wood flooring is installed over concrete.
6 mistakes to avoid when picking out basement flooring moisture and height enemies of basement subfloors.
The subfloor is the foundation beneath finish flooring materials.
Check for cracks and crumbling.
Concrete or tile over concrete are acceptable floors for uninhabited basements.
The concrete subfloor must be sufficiently strong to safely support the flooring furniture and people in the room.
The subfloor is the bottom most layer and it rests on the joists.
Use an underlayment floor leveler or floor patch product to fix low spots in a wood or concrete subfloor.
In basements and in homes with slab on grade foundations the subfloor may simply be a concrete slab.
This is a simple sheet of plastic that is taped over a concrete floor and will help keep out moisture.
A concrete subfloor can be covered with a variety of flooring materials or it can serve as the finished floor itself.
Typically made of plywood or osb and ranging in thickness from 19 32 to 1 1 8 thick the subfloor is truly structural second only to joists in this respect.