Gluing Underlayment To Concrete

Underlayment is is a floating material the same as your laminate flooring.

Gluing underlayment to concrete.

But you ll be adding 1 25 1 50 sq ft to the price of the job. Plywood is often used as a sub flooring. Use a quality cleaner like zep professional concrete and masonry floor cleaner 27 per gallon. An elastomeric coating followed by bostics best will provide a moisture barrier good adhesion to the concrete.

The nwfa recommends plywood with a minimal thickness of. 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. Not for gluing foam felt whatever to concrete. No you should not glue down your underlayment.

After installing a vapor retarder if necessary cut your plywood panels into 2 x8 or 4 x4 sections. One way to attach plywood to a concrete surface is to screw it into place with concrete fasteners. Subscribe for more vids. Here is couple of tricks on how to cut when you are installing underlayment for hardwood or laminate floor installation.

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. Heat will break the bond of the old tile glue to the concrete. As with a floated subfloor nwfa recommends a vapor retarder for glue down subfloors when installing wood flooring over concrete. For the floor adhesive to properly stick the floor must be clean.

Your underlayment has basically formed a bubble underneath. Another way that involves less strain and hard work is to glue the plywood to the concrete. 500 750 square feet of coverage. It can be installed on top of concrete before hardwood flooring or another type of material is installed.

Now that the outside have dried quicker of course now the inside is in the trapped little bubble with no chance at getting good air. The wood glue needs a lot of air to dry hence wood glue there will usually be a lot of air available. 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.