Does Old Black Masonite Vinyl Have Asbestos

Hi i have a 1950s house and at some stage in its life someone has lined the garage underneath with thin boards that i have always called masonite.

Does old black masonite vinyl have asbestos.

Possible signs of asbestos mastic include discoloration and an oily texture. This article provides a photo guide to and list of asbestos containing products materials and links to detailed articles about individual asbestos containing products materials found in buildings and in a wide range of products used in both home and industry. We include photographs of a very wide range of examples of asbestos containing products materials. A 1932 patent does describe the use of asbestos in the equipment used to produce masonite hardboard.

If these panels are truly 40 years old that would have them produced in 1978 when asbestos was still used in some building products. Vinyl sheet flooring known to contain asbestos known asbestos containing vinyl based sheet flooring. I ll attach a couple of pics. Mastic is a type of glue used to adhere tiles and vinyl flooring to the subfloor.

Anyway i m about to rip it all out and thought i d double check to make sure i m not mistaken. Product photos both branded and un known sheet flooring brands. Click to enlarge any image. I m pretty sure its also termed bendyboard.

For that reason it is very slightly possible that one might detect a rare asbestos fiber in masonite if the hardboard producing equipment such as an asbestos coated roller was damaged.