Building A Floor Over Concrete Slab

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.

Building a floor over concrete slab.

First you should put down 2x4 inch lengths of wood called sleepers. Start at one end and one corner of the floor. Alternatively screw rows of treated 1x4s to the concrete 16 in. Pour a floating concrete floor.

Define the area of the concrete slab to be covered with the floor assembly and the direction you plan to run the. Best flooring for concrete slab foundation 1. Make sure that your sleepers are placed 16 inches apart and are centered. Measure the overall length of the new floor and cut a length of 2 by 4 pressure treated lumber to this dimension.

But if natural wood is exposed to. Natural hardwood flooring offers undeniable beauty and durability. Cut plywood panels by 2 foot by 8 foot or 4 foot by 4 foot sections. 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.

Over the years it had cracked. A vapor retarder is always required over the concrete slab and below the subflooring material. Normally you would jackhammer the old concrete out and do it right. How to install floor joists over concrete slab step 1.

However the building supports were placed directly on to. Materials include a minimum of 3 4 inch cd exposure 1 plywood subfloor panels 4 foot by 8 foot sheets. Butt the end of another sheet at the. Insulation and sheathing 1.

Install r 9 fiberglass insulation between the floor joists with the paper backing facing upward. As a longstanding choice for kitchens and bathrooms vinyl has a reputation for extreme water resistance. We had a building that had an existing concrete floor that was poured directly on the ground. Some manufacturers allow direct glue installation of 3 4 solid parquet flooring.

Lay 6 mil polyethylene sheeting over the concrete to minimize moisture migration from the concrete up into the wood flooring. Score the back of the panels half of the thickness on a 12 inch by 12 inch grid.