Cover With Carpet Tile Adhesive With Asbestos From Concrete Floor

This poses serious health concern.

Cover with carpet tile adhesive with asbestos from concrete floor.

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. The modern polymer. Vinyl asbestos tile and asphalt tile contain asbestos fibers as did some asphaltic cutback adhesives and the backings of many sheet vinyl floorings and lining felts. The presence of the asbestos in these products is not readily identifiable.

In many cases installing a new floor over the tiles encapsulates the asbestos fibers and is an acceptable way to manage the material. It was also resistant to moisture oil grease heat alkalis and acids. Common in homes built in the 20th century black mastic was used as an adhesive for ceramic tile linoleum and other flooring materials. Mastic is a type of glue used to adhere tiles and vinyl flooring to the subfloor.

Possible signs of asbestos mastic include discoloration and an oily texture. Take care to choose a tile whose thickness is not going to create a problem and choose a tile that is rated for floor use. Look for products that can be applied over cutback adhesive or vct vinyl composition tile. Asbestos adhesive was used for asphalt flooring tiles and vinyl or linoleum sheet tile because it strengthened the flooring and made it more durable.

But then asbestos was found to be a health hazard. Use a portland cement based adhesive to adhere the new tiles to the old. Plan and budget for an asbestos abatement to remove the carpet and asbestos flooring materials. Ordinary concrete isn t necessarily the right product for skim coating over a vinyl tile floor but there are various self leveling specialty concrete formulas that can be mixed on demand and applied over the tiles on the floor.

If your building was built before 1980 mastic mixed with asbestos may have been used to seal your tiles to the floor. The removal of cutback using grinding sanding or blasting may contain asbestos. Newly laid floors with. When you remove that floor covering to make way for new flooring you may encounter the mastic and wonder whether it is safe to remove the main concern surrounding this question is that black mastic often contains asbestos.

That said it can be difficult to get a level surface for the new floor especially if the old tiles have chipped away.