Choose one that is formulated for gluing wood flooring to a concrete slab apply it with a notched trowel to the concrete allow it to set according to container directions these products are essentially a contact adhesive so you would allow a film to form on the adhesive before applying the plywood then press your plywood firmly against the concrete.
Gluing underlayment to concrete.
It can be installed on top of concrete before hardwood flooring or another type of material is installed.
A plywood underlayment helps to strengthen a subfloor that has some flex or bend to it to make a more stable foundation for your floor.
For the floor adhesive to properly stick the floor must be clean.
The wood glue needs a lot of air to dry hence wood glue there will usually be a lot of air available.
To create a surface that will be strong and long lasting and that won t shift or peel up as the building shifts or moisture accumulates glue your underlayment down to create a more stable base.
The nwfa recommends plywood with a minimal thickness of.
Heat will break the bond of the old tile glue to the concrete.
An elastomeric coating followed by bostics best will provide a moisture barrier good adhesion to the concrete.
Another way that involves less strain and hard work is to glue the plywood to the concrete.
After installing a vapor retarder if necessary cut your plywood panels into 2 x8 or 4 x4 sections.
Plywood is often used as a sub flooring.
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500 750 square feet of coverage.
You should always check with the installation instructions of the underlayment for proper installation instructions first.
As with a floated subfloor nwfa recommends a vapor retarder for glue down subfloors when installing wood flooring over concrete.
In most cases you should not glue or nail your underlayment down.
One way to attach plywood to a concrete surface is to screw it into place with concrete fasteners.
Your underlayment has basically formed a bubble underneath.
No you should not glue down your underlayment.
Not for gluing foam felt whatever to concrete.
Use a quality cleaner like zep professional concrete and masonry floor cleaner 27 per gallon.
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.
But you ll be adding 1 25 1 50 sq ft to the price of the job.