Thinset Over Carpet Glue

The adhesive often called carpet mastic used under most glue down carpet is usually water soluble and tends to prevent thinset from properly adhering.

Thinset over carpet glue.

Resurfacing concrete over carpet glue and cutback adhesive. Prior to the installation of floor covering systems triseal will also seal floors in dusty conditions providing a clean. Should the tile get wet the mastic may soften negatively affecting the bond of the tile to the substrate. Otherwise you do.

Replacing carpet with tile can give your home an exciting new look. So i pulled up the old tile in my bedroom and it was installed over vinyl flooring. Whether wall or floor tile that tile needs to thoroughly stick to its base surface demands placed on tile adhesive are both extensive and steep. If the cutback adhesive is on a wood underlayment you may remove the underlayment or cover the cutback adhesive with a layer of plastic or felt paper not roofing felt then install new underlayment.

You can t tile over old carpet glue but it s not hard to remove carpet adhesive before tiling. You can also emboss it with ardex featherfin ish and then use your thinset of choice. Don t worry it looks a lot worse than it is. There are a number of thinsets out there that are designed to go over old cutback adhesive.

Most cases the issues arise with cutback adhesive over concrete. It must be easy to work with and it must adequately fill in gaps between the tile and the substrate. We are talking old school 1960 s thick vinyl floor 12 x 12 s and the ceramic floor stuck just fine but now there is black glue on the concrete and it is real thin but and is sticking very well to the con. Param 5500 self leveling concrete can be used to resurface over carpet glue or cutback adhesive which is bonded extremely well to the substrate.

Do not dry scrap there is asbestos in the glue. There are adhesive bonding issues when going over cutback adhesive as well. Xl brands triseal adhesive residue encapsulator triseal is a light colored high strength acrylic polymer compound formulated to isolate cutback and other types of old adhesive residues that would affect the bond of the new floor adhesive over concrete substrates. But now that you have ripped up the old carpet you ve got a sticky situation.