Black Glue On Concrete Floor

This poses serious health concern.

Black glue on concrete floor.

Asphaltic cutback adhesive is an older type of mastic made with asphalt based cement. Asbestos was mixed with this product to make it more durable. How to paint over asphalt tile glue on concrete. The thing about tile adhesive is that there isn t just one kind.

Asphaltic cutback adhesive is black in color and is usually found beneath vinyl tiles and flooring. Seal all edges with tape. Many modern mastics are latex or water based and can be softened with water. What is black mastic.

The same quality that makes tile adhesive so reliable can make it a real pain in the rear end when you want to install new tiles especially if the original floor is concrete. There are a few and each kind has its. Run the grinder over the glue in rows. Remove as much of the glue as possible from the concrete using a concrete floor grinder.

Underneath on the concrete floor is the black mastic or glue referred to in this thread. Mastic is the general term for a type of glue like flooring adhesive. An easy way to tell whether the floor is dry enough is to place a small piece of kitchen plastic wrap about 12 square to the surface of the concrete floor. I am tiling mosaic and small pieces over what once was a concrete basement floor which on occasion in my city with all the rain can get flooded what was there when i bought the house 2 years ago was an asbestos linoleum 1 square very thin tile over a thin black mastic.

Remove all dirt and debris using a stiff bristle broom. Depending on what type of flooring product is being installed on top of the cutback adhesive you do have some options. Most vinyl tile flooring installed in the 60 s 70 s and early 80 s had asbestos in both the glue and the tiles. So how do you remove floor tile adhesive from a 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. Sweep the floor a second time to. The surface of the mastic is not broken but quite smooth. If you do have black glue on your concrete floor and you don t know how old it is it could contain asbestos.