Black Glue On Concrete Floor

The surface of the mastic is not broken but quite smooth.

Black glue on concrete floor.

If you do have black glue on your concrete floor and you don t know how old it is it could contain asbestos. 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. The thing about tile adhesive is that there isn t just one kind. How to paint over asphalt tile glue on concrete.

Mastic is the general term for a type of glue like flooring adhesive. Remove as much of the glue as possible from the concrete using a concrete floor grinder. Remove all dirt and debris using a stiff bristle broom. The removal of cutback using grinding sanding or blasting may contain asbestos.

There are a few and each kind has its. Depending on what type of flooring product is being installed on top of the cutback adhesive you do have some options. I d rather encapsulate it with paint or. 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.

Seal all edges with tape. This poses serious health concern. Asphaltic cutback adhesive is black in color and is usually found beneath vinyl tiles and flooring. 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.

Most vinyl tile flooring installed in the 60 s 70 s and early 80 s had asbestos in both the glue and the tiles. Many modern mastics are latex or water based and can be softened with water. As a petroleum based material the cutback is not softened by water. What is black mastic.

Asbestos was mixed with this product to make it more durable. Sweep the floor a second time to. Run the grinder over the glue in rows. So how do you remove floor tile adhesive from a concrete floor.