Gluing Solid Wood Floor To Concrete

A glued floor feels as solid as a nailed floor underfoot and can handle the contractions of the wood thanks to the flexibility of the glue.

Gluing solid wood floor to concrete.

Some engineered wood flooring products are designed for a glue down application when installing flooring over a concrete slab. Installations of solid wood are never recommended below grade. Before installing any wood floor over concrete you ll need a moisture barrier. The slab should not exceed 3 16 in.

When glue is used in conjunction with screws and nails the bond is strong enough to resist natural movement of the wood. The other concern has always been that water in a concrete slab will be absorbed by wood flooring. If your installing long wide boards glue and nail. Then paper the floor and nail using 1 1 2 cleats.

Installing plywood over the subfloor or using sleepers which are two by fours laid flat across the floor and used as nailers. These products regardless of species thickness or width can be glued down successfully over concrete or gypsum based sub floors. The only limitation is the slabs must be above or on grade. Small high spots can be ground down with an angle grinder.

Watch this video to see how easy it is. 2 layers nominal 3 8 minimum cd exposure 1 plywood subfloor panels cdx 4 x 8 sheets. In flatness over a 10 ft. Typically it is sheets of plastic laid on the slab and taped at the seams with waterproof tape.

Grind down small high spots with an angle grinder. If you can t use shorts you ll have to subfloor the concrete with plywood using bostics and concrete nails. It will extend up the wall for about 2 to 3 inches creating a bowl where your wood floor stays dry and protected. The national wood flooring association recommends two alternative installation methods.

I always recommend solids over engineered. Gluing down solid wood flooring to concrete 1. Check the slab with a straightedge and mark any spots that are lower or higher. To glue a wooden floor a full coverage of flexible wood adhesive must be applied to the sub floor and the boards.

And for do it yourselfers the preferred method is the floating floor installation which uses no glue or nails. Other products are better suited for a nail down installation where they are secured to a wood subfloor with nails or staples. Glue is a secondary method of attachment for bonding wood to concrete. It usually takes a couple of coats to level out a large area.

Gluing solid parquet flooring directly to a concrete slab solid parquet hardwood flooring can be glued directly to a concrete slab on grade or above grade with the use of a manufacturer recommended vapor retarder.