Flooring Over Concrete Subfloor

In basements and in homes with slab on grade foundations the subfloor may simply be a concrete slab.

Flooring over concrete subfloor.

Treated plywood to the concrete with concrete screws spaced every 16 in. But this direct installation will result in a floor that s cold underfoot. Snap the chalk line over the top of the concrete or moisture barrier between the marks on opposite walls making a cross in the center of the room. On wood frame floors the subflooring provides a continuous structural surface over the floor joists.

If the concrete subfloor is always dry however laminate floors can be placed directly on the slab. The concrete subfloor must be sufficiently strong to safely support the flooring furniture and people in the room. Subfloors are strong versatile and very durable. Lm from hot springs ar.

Floating for floated wood subfloors installed on grade and below grade be certain moisture control is taken into account. Check your flooring manufacturer s recommendations to ensure you re using a proper subfloor. Measure and mark the center of all four walls at floor level. Keep in mind the average cost of laminate flooring is 1 sf to.

This is a possible basement flooring project you can diy. As with a floated subfloor nwfa recommends a vapor retarder for glue down subfloors when installing wood flooring over concrete. Lay 6 mil polyethylene sheeting over the concrete to minimize moisture migration from the concrete up into the wood flooring. I don t think it is a good idea to install raw plywood directly over a slab if avoidable.

Laminate floors which may be tongue and groove or snap together are floating floors and not attached to the subfloor. Learn how to install beautiful hardwood floors over a concrete slab. Get a comprehensive breakdown on which materials to use what to take into consideration and what steps to take for four subfloor systems. The underlayment exists to create an air filled gap between the concrete below and the subflooring which will help to insulate the floor and keep the room warmer.

Regular or treated plywood. Floated subfloor alternate subfloor glue down sub floor and the nail down subfloor system. Use a 6 staple pattern at the perimeter of the subfloor. This may be as simple as a 6 mil polyethylene plastic covering 100 percent of the concrete and brought up all walls then trimmed after the floor has been installed.

A cold floor may be tolerable in. What is the best way to install a plywood subfloor over concrete slab. The subfloor is the foundation beneath finish flooring materials. Plastic for vapor barrier between plywood and slab.

Many basement flooring materials like paint epoxy tile and rubber flooring for example can go down directly over the basement s original poured concrete floor as long as the concrete is in good condition.