Flooring Over Concrete 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.

Flooring over concrete subfloor.

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. Laminate floors which may be tongue and groove or snap together are floating floors and not attached to the subfloor. 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. But this direct installation will result in a floor that s cold underfoot.

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. 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.

Floated subfloor alternate subfloor glue down sub floor and the nail down subfloor system. Alternatively screw rows of treated 1x4s to the concrete 16 in. The subfloor is the foundation beneath finish flooring materials. Treated plywood to the concrete with concrete screws spaced every 16 in.

As with a floated subfloor nwfa recommends a vapor retarder for glue down subfloors when installing wood flooring over concrete. On wood frame floors the subflooring provides a continuous structural surface over the floor joists. Additionally the underlayment is always a waterproof material that will create a waterproof barrier. What is the best way to install a plywood subfloor over concrete slab.

Measure and mark the center of all four walls at floor level. Floating for floated wood subfloors installed on grade and below grade be certain moisture control is taken into account. Lay 6 mil polyethylene sheeting over the concrete to minimize moisture migration from the concrete up into the wood flooring. Lm from hot springs ar.

I don t think it is a good idea to install raw plywood directly over a slab if avoidable. Regular or treated plywood. In basements and in homes with slab on grade foundations the subfloor may simply be a concrete slab. Subfloors are strong versatile and very durable.

How to install a glued subfloor over concrete. Keep in mind the average cost of laminate flooring is 1 sf to. Learn how to install beautiful hardwood floors over a concrete slab. Use a 6 staple pattern at the perimeter of the subfloor.

This is a possible basement flooring project you can diy.