It really is up to you as long as the existing tiles are not disturbed in any way.
Covering asbestos floor tiles with plywood.
Armstrong produced the excelon tile series beginning with a plastic asbestos floor tile series in 1954 referring to the product as vinyl plastic asbestos floor tiles beginning in 1955 and vinyl asbestos tiles from 1957 to 1980.
You have lot of options when it comes to covering asbestos tiles and it only is a health risk when the floors asbestos particles come airborne.
Peel and stick adhesive vinyl tiles are particularly good when the floor is already fairly thick because they require no additional layer of adhesive to work.
Often times the homeowner is unaware of the asbestos tile flooring at all.
When you remove that floor covering to make way for new flooring you may encounter the mastic and wonder whether it is safe to remove the main concern surrounding this question is that black mastic often contains asbestos.
It turns out that the less expensive tile floors that were softer i think they were asbestos just lower quality haven t cracked so three rooms on the main floor are basically ok breakage wise.
Common in homes built in the 20th century black mastic was used as an adhesive for ceramic tile linoleum and other flooring materials.
One of the best ways to deal with asbestos tile is to leave it in place and cover it with new flooring.
Identifying asbestos floor tiles.
The old tiles are relatively thin around 1 8 inch.
Resilient sheet flooring containing asbestos was also produced finding wide use as early as 1968.
It s usually found covered up underneath an existing floor most often being carpet or even under a layer of plywood.