Plywood Onto Concrete Floor

Plywood panels should be set down with 1 8 inch gaps between sheets.

Plywood onto concrete floor. Plywood is often used as a sub flooring. First position the plywood layer with its edges parallel to the wall. Another way that involves less strain and hard work is to glue the plywood to the concrete. Lay 25mm battens across the floor at 400mm centres fill the gaps between with 25mm celotex and secret nail the flooring to the battens.

Do not fasten and leave 3 4 of an inch of space between the wall and plywood. There are pictures of me ramping with 400 onto the edge of the plywood on there along with filling dips and how to etc. Solid hardwood can not be glued except for bamboo 3. Here are our top 3 tips if you re thinking of installing a plywood floor.

The floor is secured via the base molding around the edges. It can be installed on top of concrete before hardwood flooring or another type of material is installed. When installed correctly your concrete over plywood floor will not permit moisture through will not warp or buckle and will come with all the benefits of concrete in an easy to care for floor. To begin you ll need two layers of 3 8 inch minimum cd exposure 1 plywood subfloor panels cdx 4 foot by 8 foot sheets.

Did you look at that link i posted up. Mattysupra 1 aug 2010 10. You could screw the battens down into the concrete if you like but its not going to go anywhere if you don t. If you re installing a plywood floor on floorboards make sure to install your new planks of wood at a 90 angle to the existing floorboards.

Don t glue the plywood to the concrete. Build a plywood subfloor most subfloors over concrete use exterior grade plywood or osb oriented strand board. It looks like a sheet of dimples or very large bubble wrap. Concrete has moisture in it and your wood will mold and rot over time.

Be aware of the additional height that the subfloor and underlayment add. There is a product you can buy from your local home depot store for putting under a floor over concrete. Treated plywood to the concrete with concrete screws spaced every 16 in. It lays directly on top of the waterproof barrier or combination of barrier and underlayment to help cushion and insulate.

As for gluing the plywood onto the edge of your concrete you need something like no nails or simular. Duraamen s param 5500 goes on thin in a 3 8 to 1 2 thick application. Float this is when the hardwood is clicked into each other or glued at joints but is not attached to the floor. Alternatively screw rows of treated 1x4s to the concrete 16 in.

Because we re laying the plywood onto the existing floorboards we didn t want anything that was too thick so that we d. One way to attach plywood to a concrete surface is to screw it into place with concrete fasteners. Lay 6 mil polyethylene sheeting over the concrete to minimize moisture migration from the concrete up into the wood flooring.