Asphalt Siding Shingles Asbestos

Some asphalt impregnated paper based siding materials contain asbestos.

Asphalt siding shingles asbestos.

Just wondering if this siding shown above may have asbestos. Asbestos shingles were so common during the 20th century that almost any shingles installed between 1920 and 1986 probably include asbestos. If you don t know the age of the shingles inspect them for wear. Asphalt or cement roofing and siding that contain asbestos when intact and in good condition are generally considered nonfriable and are not hazardous.

If your siding fits either of these descriptions you should consider having it tested. I suspect this is a canadian product. 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. The harmful effects of asbestos were beginning to be acknowledged and the introduction of asphalt based roofing products began dominating in the late 1950s.

Testing your siding for asbestos. The asbestos neshap regulation lists the following asphalt roofing products as possibly containing asbestos 40 cfr 61 subpart m appendix a. Finally in 1989 asbestos became illegal when the environmental protection agency epa issued an asbestos ban and phase out rule. 13 1990 identifying products made with asbestos.

Asbestos was used in asphalt based roofing products such as asphalt roofing or siding shingles in north america as early as 1891 and continued into the early 1980 s. Epa published a notice in the federal register 55 fr 5144 feb. Historically asbestos has been used as an ingredient in several different asphalt roofing products. The national emissions standards for hazardous air pollutants neshap identifies several asphalt containing roofing products that may also contain asbestos including.

Determine when the shingles were installed on your roof. On 2020 02 19 by marina. Weatherside fiber cement siding is the 1 and only solution for replacing or repairing old asbestos siding shingles. Nonfriable means they cannot be broken up by hand pressure.

Yes marina that s an asphalt based shingle siding. It s available in a variety of sizes and shapes to match many of the old siding shingles installed over the last 60 years. On 2020 01 20 by mod asphalt asbestos shingle siding on old garden shed. If they look old they might have asbestos fibers in them.

The siding may also contain asbestos if it is old with a wood grain texture to resemble cedar. The other possibility is a mineral granule coated asphalt based shingle siding or a mineral granule coated fiberboard based shingle siding.