Carpet Squares Over Residual Glue

Many installers simply see adhesive residue and immediately skim coat over the old adhesive residue.

Carpet squares over residual glue.

The removal of cutback using grinding sanding or blasting may contain asbestos. All soft loose and raised residue must be removed before encapsulation begins. 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. 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.

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. This poses serious health concern. You can t tile over old carpet glue but it s not hard to remove carpet adhesive before tiling. Even pressure over the carpet tile when installing is sufficient rolling isn t necessary but can t hurt.

But now that you have ripped up the old carpet you ve got a sticky situation. 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. 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. Care must be taken here as not all patching manufacturers recommend skim coating over all types of adhesive residue.