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.

I don t think it is a good idea to install raw plywood directly over a slab if avoidable. Alternatively screw rows of treated 1x4s to the concrete 16 in. Keep in mind the average cost of laminate flooring is 1 sf to. Floated subfloor alternate subfloor glue down sub floor and the nail down subfloor system.

A cold floor may be tolerable in. The subfloor is the foundation beneath finish flooring materials. Check your flooring manufacturer s recommendations to ensure you re using a proper 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.

This is a possible basement flooring project you can diy. Learn how to install beautiful hardwood floors over a concrete slab. How to install a glued subfloor over concrete. Lay 6 mil polyethylene sheeting over the concrete to minimize moisture migration from the concrete up into the wood flooring.

But this direct installation will result in a floor that s cold underfoot. Treated plywood to the concrete with concrete screws spaced every 16 in. Floating for floated wood subfloors installed on grade and below grade be certain moisture control is taken into account. Use a 6 staple pattern at the perimeter of the subfloor.

On wood frame floors the subflooring provides a continuous structural surface over the floor joists. Plastic for vapor barrier between plywood and slab. Regular or treated plywood. 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.

Laminate floors which may be tongue and groove or snap together are floating floors and not attached to the subfloor. What is the best way to install a plywood subfloor over 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. Additionally the underlayment is always a waterproof material that will create a waterproof barrier.

Lm from hot springs ar. 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. 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. Measure and mark the center of all four walls at floor level.

If the concrete subfloor is always dry however laminate floors can be placed directly on the slab.