Glue Down Wood Flooring Over Concrete

For the floor adhesive to properly stick the floor must be clean.

Glue down wood flooring over concrete.

Treated plywood to the concrete with concrete screws spaced every 16 in. Glue down hardwood floors on concrete. Installing engineered wood flooring is a great project for the diyer who desires the look of a professional wood floor with the strength and longevity offered by its sturdy design. The moisture cure urethanes took the lead and the south was now able to enjoy solid wood flooring installations directly over their concrete slabs.

One subtlety that some did not realize was that solid boards used successfully for glue down installation were not the same as those used for nail down. Gluing down solid wood flooring to concretethis is a question that i have started to receive more and more. Use a quality cleaner like zep professional concrete and masonry floor cleaner 27 per gallon. Some engineered wood flooring products are designed for a glue down application when installing flooring over a concrete slab.

Glue forms the initial bond but without screws and nails the natural expansion and contraction of the wood can break or weaken the glue. Lay 6 mil polyethylene sheeting over the concrete to minimize moisture migration from the concrete up into the wood flooring. The installation of hardwood floors by the glue down method is used predominately on concrete slabs. When glue is used in conjunction with screws and nails the bond is strong enough to resist natural movement of the wood.

But the catch is that the solid wood flooring we have that can be glued over concrete and warranted is 5 16 and 7 16 solid hardwood not 3 4 solid hardwood and can be only on on grade and suspended concrete. My answer to that is yes and it is still warranted. There were challenges for sure. Alternatively screw rows of treated 1x4s to the concrete 16 in.

Using a glue down floor is an option in above grade installation only since installation below grade requires a plastic barrier on top of the concrete. Applications are more prominent with residential construction in sunbelt areas commercial locations and high rise dwellings. Glue is a secondary method of attachment for bonding wood to concrete.