Flooring Over Concrete Subfloor

But this direct installation will result in a floor that s cold underfoot.

Flooring over concrete subfloor.

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. Floated subfloor alternate subfloor glue down sub floor and the nail down subfloor system. In basements and in homes with slab on grade foundations the subfloor may simply be a concrete slab.

What is the best way to install a plywood subfloor over concrete slab. Regular or treated plywood. Plastic for vapor barrier between plywood and slab. Treated plywood to the concrete with concrete screws spaced every 16 in.

A cold floor may be tolerable in. If the concrete subfloor is always dry however laminate floors can be placed directly on the slab. 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. I don t think it is a good idea to install raw plywood directly over a slab if avoidable.

Additionally the underlayment is always a waterproof material that will create a waterproof barrier. Learn how to install beautiful hardwood floors over a concrete slab. The subfloor is the foundation beneath finish flooring materials. Use a 6 staple pattern at the perimeter of the subfloor.

Floating for floated wood subfloors installed on grade and below grade be certain moisture control is taken into account. 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. Alternatively screw rows of treated 1x4s to the concrete 16 in. 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.

Lay 6 mil polyethylene sheeting over the concrete to minimize moisture migration from the concrete up into the wood flooring. Get a comprehensive breakdown on which materials to use what to take into consideration and what steps to take for four subfloor systems. Subfloors are strong versatile and very durable. 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. Lm from hot springs ar. Laminate floors which may be tongue and groove or snap together are floating floors and not attached to the subfloor. The concrete subfloor must be sufficiently strong to safely support the flooring furniture and people in the room.

How to install a glued subfloor over concrete.