But before about 1978 in products that looked like this same material asbestos fibers were used as a strengthen material on vinyl sheet flooring backing.
Backing asbestos vinyl sheet flooring.
On wood floors the vinyl sheet flooring should be removed in large sections with a pry bar removing the underlayment while the flooring is still affixed to it.
Asbestos backed vinyl sheet flooring is where the backing the side attached to the floor see figure 1 contains friable easily broken asbestos material.
Asbestos vinyl sheet flooring poses a significantly greater asbestos exposure risk than floor tiles or wallpaper.
This article series describes sheet flooring products known to contain significant levels of asbestos.
Asbestos was widely used as a filler in both asphalt based and some vinyl based floor tiles of varying thicknesses and extending to some thin flexible self adhesive backed tiles as well as some sheet flooring.
Asbestos vinyl sheet flooring poses a significantly greater asbestos exposure risk than floor tiles or wallpaper.
What is asbestos backed vinyl sheet flooring.
Manufacturers often made this type of flooring with a friable asbestos backing which means asbestos fibres are easily released into the air if the sheet flooring is disturbed or damaged.
During removal pulling the vinyl layer away from its paper backing must be avoided as much as possible.
If the vinyl resilient sheet flooring backing material were dry sanded or scraped during building demolition for example or if the sheet flooring is worn through so that foot traffic continues to damage the backing material it is possible for unsafe levels of asbestos fibers to be released in a building.
It also was installed over tongue and groove wood floors particleboard and plywood.
Asbestos backed vinyl sheet flooring and vinyl tiles containing asbestos.
The removal procedures described in this publication address the removal of asbestos backed sheet vinyl only if.
Vinyl sheet flooring comes in large pieces and is usually cut to the size of the room and laid down in one piece.
I unknowingly tore up some.
Separating the two layers could possibly release a dangerous level of asbestos into the air.
Manufacturers often made this type of flooring with a friable asbestos backing which means mineral fibers are easily released into the air if the sheet flooring is disturbed or damaged.
The backing of the vinyl sheet didn t crumble or anything like that but it did separate when i ripped the sheet off the floor.
Details for identifying asbestos or asbestos suspect sheet flooring products are at resilient sheet flooring id guide.
Figure 1 asbestos backed vinyl sheet flooring.