Then you are on your own with a cupped floor that no one will cover any warranty.
Gluing hardwood floor to concrete.
While it s possible to glue hardwood flooring to concrete it s a messy and risky procedure and it s prone to failure.
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.
Solid parquet should not be installed below grade.
Glue wood flooring to a concrete slab a plywood core makes engineered flooring the most stable choice provided the slab is flat and dry by ken fischer issue 170 if you want to install flooring on a concrete slab your floor covering choices are limited.
And for do it yourselfers the preferred method is the floating floor installation which uses no glue or nails.
I have seen some glue down 3 4 solid hardwood floors directly to concrete and many installers use straps or clamps in an effort to force board rows tighter together during installation.
Installing plywood over the subfloor or using sleepers which are two by fours laid flat across the floor and used as nailers.
The national wood flooring association recommends two alternative installation methods.
In most instances hardwood flooring is never glued directly to concrete.
However advancements in engineered flooring have made above grade wood to concrete adhesion possible if certain conditions are met.
When gluing over a concrete slab it is important to take proper moisture readings.
All adhesives are not made the same.
Check with the manufacturer of your engineered wood to ensure that it s viable with the process.
There is no valid reason to glue a solid floor to concrete there are plenty of good engineered floors on the market the rh in the home must be maintained or it will cup.
Be advised that over strapping can adversely affect the floor and may result in glue bond failure seam peaking twisted boards or out of square floor board alignment.
Some engineered wood flooring products are designed for a glue down application when installing flooring over a concrete slab.
Other products are better suited for a nail down installation where they are secured to a wood subfloor with nails or staples.
The concrete slab needs the proper moisture vapor protection underneath and proper drainage away from the building.