Building A Floor Over Concrete Slab

Best flooring for concrete slab foundation 1.

Building a floor over concrete slab.

Lay 6 mil polyethylene sheeting over the concrete to minimize moisture migration from the concrete up into the wood flooring. Place a sheet of plywood perpendicular to the floor joists. Make sure that your sleepers are placed 16 inches apart and are centered. Alternatively screw rows of treated 1x4s to the concrete 16 in.

Start at one end and one corner of the floor. A vapor retarder is always required over the concrete slab and below the subflooring material. Install r 9 fiberglass insulation between the floor joists with the paper backing facing upward. A minimum 6 mil construction grade polyethylene film with perm of 13 or other impermeable material with a perm of 15 or less is recommended.

First you should put down 2x4 inch lengths of wood called sleepers. Cut plywood panels by 2 foot by 8 foot or 4 foot by 4 foot sections. Insulation and sheathing 1. Treated plywood to the concrete with concrete screws spaced every 16 in.

Some manufacturers allow direct glue installation of 3 4 solid parquet flooring. However the building supports were placed directly on to. Wood laminate many concrete floors have a tendency to get damp so when you are installing wood floors over a concrete slab foundation there are some important things that you need to do. Cut filler pieces to.

But if natural wood is exposed to. As a longstanding choice for kitchens and bathrooms vinyl has a reputation for extreme water resistance. Natural hardwood flooring offers undeniable beauty and durability. Score the back of the panels half of the thickness on a 12 inch by 12 inch grid.

Butt the end of another sheet at the. Define the area of the concrete slab to be covered with the floor assembly and the direction you plan to run the. Pour a floating concrete floor. Materials include a minimum of 3 4 inch cd exposure 1 plywood subfloor panels 4 foot by 8 foot sheets.

Normally you would jackhammer the old concrete out and do it right. We had a building that had an existing concrete floor that was poured directly on the ground.