Possible signs of asbestos mastic include discoloration and an oily texture.
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.
If your building was built before 1980 mastic mixed with asbestos may have been used to seal your tiles to the floor.
Vinyl sheet flooring known to contain asbestos known asbestos containing vinyl based sheet flooring.
Anyway i m about to rip it all out and thought i d double check to make sure i m not mistaken.
I ll attach a couple of pics.
Mastic is a type of glue used to adhere tiles and vinyl flooring to the subfloor.
But with a few exceptions principally from cross contamination 100 cellulose non cementious wood based fiberboard products do not contain asbestos.
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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.
If these panels are truly 40 years old that would have them produced in 1978 when asbestos was still used in some building products.
Asbestos product photo guide.
Product photos both branded and un known sheet flooring brands.
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.