Plywood Subfloor On Concrete

Learn to install self leveling concrete over plywood substrates along with learn to color and seal the concrete to create a polished concrete floor over plywood sub floor.

Plywood subfloor on concrete.

We have another great video to help you in your remodel. Plywood underlayment is a thin plywood material that is most commonly used under resilient flooring materials such as vinyl and linoleum sheets and tiles. Diy and how we install a plywood subfloor over concrete in a basement. Once you ve installed a vapor retarder install your subfloor.

Installation over concrete with a calcium carbide reading of greater than 2 5 percent. 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. If you have a plywood subfloor over a concrete slab check the moisture level of both floors.

One way to attach plywood to a concrete surface is to screw it into place with concrete fasteners. Cut plywood panels by 2 foot by 8 foot or 4 foot by 4 foot sections. It can be installed on top of concrete before hardwood flooring or another type of material is installed. Plywood is often used as a sub flooring.

To level a subfloor for installing laminate follow the directions above to remove high and low spots. Apply an adhesive approved for plywood installation and recommended by the plywood manufacturer. Request info 1 866 835 6595. A newer easier method is to lay down a floating subfloor made with special tongue and groove panels of osb adhered to a base layer of plastic or rigid foam insulation.

The traditional method is to fasten 2x4 sleepers to the concrete then cover the sleepers with plywood subflooring. To install a floated subfloor system first place a layer of plywood subfloor panels with the edges parallel to the wall. It can also be used under hardwood laminate and carpet but this is much less common these days because subflooring is typically smooth enough for these materials many of which are installed with a different type of underlayment or pad. Another way that involves less strain and hard work is to glue the plywood to the concrete.

Follow these steps to prep the subfloor. Finally repair any loose or squeaky boards by screwing the boards securely into the floor joists. Materials include a minimum of 3 4 inch cd exposure 1 plywood subfloor panels 4 foot by 8 foot sheets. After vacuuming or sweeping the subfloor to clean it add a plywood layer if the subfloor is in very bad shape but do not overlap the sheets.

A plywood layer is not necessary if you are putting down wood laminate.