Gluing Solid Wood Floor To Concrete

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.

Gluing solid wood floor to concrete.

Glue is a secondary method of attachment for bonding wood to concrete. Glue forms the initial bond but without screws and nails the natural expansion and contraction of the wood can break or weaken the glue. 2 layers nominal 3 8 minimum cd exposure 1 plywood subfloor panels cdx 4 x 8 sheets. When glue is used in conjunction with screws and nails the bond is strong enough to resist natural movement of the wood.

If your installing long wide boards glue and nail. To glue a wooden floor a full coverage of flexible wood adhesive must be applied to the sub floor and the boards. The only limitation is the slabs must be above or on grade. Solid parquet should not be installed below grade.

I always recommend solids over engineered. In flatness over a 10 ft. Some engineered wood flooring products are designed for a glue down application when installing flooring over a concrete slab. The slab should not exceed 3 16 in.

The national wood flooring association recommends two alternative installation methods. It will extend up the wall for about 2 to 3 inches creating a bowl where your wood floor stays dry and protected. Installations of solid wood are never recommended below grade. Typically it is sheets of plastic laid on the slab and taped at the seams with waterproof tape.

Before installing any wood floor over concrete you ll need a moisture barrier. Small high spots can be ground down with an angle grinder. Other products are better suited for a nail down installation where they are secured to a wood subfloor with nails or staples. While it s possible to glue hardwood flooring to concrete it s a messy and risky procedure and it s prone to failure.

It usually takes a couple of coats to level out a large area. Installing plywood over the subfloor or using sleepers which are two by fours laid flat across the floor and used as nailers. Gluing down solid wood flooring to concrete 1. Then paper the floor and nail using 1 1 2 cleats.

The other concern has always been that water in a concrete slab will be absorbed by wood flooring. If you can t use shorts you ll have to subfloor the concrete with plywood using bostics and concrete nails. 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. And for do it yourselfers the preferred method is the floating floor installation which uses no glue or nails.

Grind down small high spots with an angle grinder.