Use atlas carpet tile adhesive for installations over concrete substrates with up to 85 relative humidity rh current version of astm f2170 and ph of 7 0 9 0.
Carpet squares over residual glue.
The first complaint i ever went out on was at a hospital where a custom installation of flooring was failing in all the patient rooms.
Dritac eco dribloc can be applied over carpet adhesive residue and asphalt cutback adhesive residue as long as the adhesive ridges and raised residue have been completely removed from the subfloor with only minor stains remaining.
Many installers simply see adhesive residue and immediately skim coat over the old adhesive residue.
This poses serious health concern.
Don t worry it looks a lot worse than it is.
Materials and adhesive must be maintained at 65 85 f and the humidity below 65 for 48 hours prior to during and after the testing and installation.
Replacing carpet with tile can give your home an exciting new look.
But now that you have ripped up the old carpet you ve got a sticky situation.
The removal of cutback using grinding sanding or blasting may contain asbestos.
Once the psa has been applied with the appropriate notched trowel and has been dried to the point of being tacky to the touch approximately 20 to 30 minutes depending on the drying conditions the carpet tile can be placed and walked on.
You can t tile over old carpet glue but it s not hard to remove carpet adhesive before tiling.
Asphalt based cutback adhesive remaining on a concrete floor after removing old vinyl tile and other flooring represents one of the most difficult and risky subfloors for the installation of new flooring.