Subfloor For Hardwood Over Concrete

Unless you can glue down two layers of 1 2 inch plywood over the concrete using bostik best flooring adhesive and adding to the existing wood subfloor then run the 3 4 solid wood floor through out the.

Subfloor for hardwood over concrete.

When the adhesive requires add a moisture control system before applying the adhesive. Get a comprehensive breakdown on which materials to use what to take into consideration and what steps to take for four subfloor systems. If your going over a wood subfloor and then going over concrete we would suggest using an engineered floor and the direct glue down method. If you have a subfloor that consists of wood on top of concrete you ll need to test both floors.

Lay 6 mil polyethylene sheeting over the concrete to minimize moisture migration from the concrete up into the wood flooring. Permanently attaching to concrete. In this case the subfloor is the concrete slab. Floated subfloor alternate subfloor glue down sub floor and the nail down subfloor system.

A subfloor is the floor surface directly under the hardwood floor. Read manufacturer s directions before installation to maintain warranty coverage. After installing a vapor retarder if necessary cut your plywood panels into 2 x8 or 4 x4 sections. The concrete subfloor must be sufficiently strong to safely support the flooring furniture and people in the room.

When direct gluing a wood subfloor over concrete follow the adhesive manufacturer s recommendation for moisture requirements and limitations type of adhesive application method trowel notch type and spread rates. Even if your home was built on a concrete slab you can still enjoy the beauty and charm of hardwood floors. Check for cracks and crumbling. Duraamen s param 5500 goes on thin in a 3 8 to 1 2 thick application.

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. Although you can attach hardwood directly to concrete with glue or nails it s not advisable. Experienced professionals pay close attention to managing moisture and minimizing wood floor expansion and contraction when preparing to install hardwood floors on concrete slabs. Installing a hardwood floor over a concrete slab.

Treated plywood to the concrete with concrete screws spaced every 16 in. As with a floated subfloor nwfa recommends a vapor retarder for glue down subfloors when installing wood flooring over concrete. Cost skill level start to finish 2 days. Installing hardwood flooring over concrete.

Alternatively screw rows of treated 1x4s to the concrete 16 in.