Yes, but the only way to know for sure if it is have it tested in a lab.
Installing asbestos flooring involves less disturbance to the asbestos-containing product than does removal of asbestos felt roofing. Consequently the flooring installer probably has less exposure to airborne asbestos fiber than does the roofing remover, and therefore less risk of developing cancer.However, if a similar comparison is made between the flooring remover and the roofing remover, the greater risk falls to the flooring remover.
Installing asbestos flooring involves less disturbance to the asbestos-containing product than does removal of asbestos felt roofing. Consequently the flooring installer probably has less exposure to airborne asbestos fiber than does the roofing remover, and therefore less risk of developing cancer.However, if a similar comparison is made between the flooring remover and the roofing remover, the greater risk falls to the flooring remover.
You can, but you will probably have squeeks after you are done from the two floors rubbing against each other.
Vapor barrier under flooring is a 20 lbs felt paper or red Rosin paper both types Can be naught at Lowe's or home depot
Felt underlayment provides cushioning, sound insulation, and moisture protection for flooring. It also helps to smooth out imperfections in the subfloor and can increase the lifespan of the flooring.
Felt paper provides a moisture barrier, helps reduce noise, and protects the flooring from damage during installation.
Johns-Manville Super Felt insulation was produced before the widespread awareness of asbestos hazards, and some older versions may contain asbestos. However, not all Super Felt insulation contains asbestos, as formulations changed over time. If you suspect that you have this type of insulation in your home, it's best to have it tested by a professional to determine its composition and any potential health risks. Always prioritize safety and follow local regulations regarding asbestos handling and removal.
It really makes no difference, except that some form of underlayment or backing is necessary to a successful installation. The existence of a backing already applied to the laminate makes no difference as to the quality of the flooring. But floors installed with no backing or foam or felt underlayment are prone to cracking and splitting, and are very noisy underfoot.
No modern insulation product sold in North America or the European Union contains asbestos.
Johns-Manville sold products containing asbestos until 1985. Products manufactured under the Manville brand name include Manville wallboard, roofing products, siding, cement board, asbestos paper, felt, cloth, gaskets, packing seals, cements, electrical products, pipe covering, block insulation, piping, and floor tiles.
Most people just put 15-lb roofing felt under it.
Flooring felt underlayment provides benefits such as noise reduction, moisture protection, and added cushioning for comfort. It also helps to smooth out imperfections in the subfloor and can prolong the life of the flooring above it.