Does Asphalt Shingle Siding Contain Asbestos. History of uses of asbestos in modern products when was asbestos used in modern products. See siding types installation defects for a guide to siding products of various types. Regular exposure to various temperatures will eventually weaken the material.
See siding types installation defects for a guide to siding products of various types. These shingles are generally 12 by 24 inches and the bottom tends to have a wave like pattern though that is not always the case.
Homes built between 1920 and the 1960s are likely to contain asbestos in any cementitious siding tiles.
Most homes have asphalt shingles and asbestos is more common in asphalt shingles. Cementitious siding installed after 1973 is very unlikely to contain asbestos. Nonfriable means they cannot be broken up by hand pressure. Asphalt or cement roofing and siding that contain asbestos when intact and in good condition are generally considered nonfriable and are not hazardous.
