Historically asbestos has been used as an ingredient in several different asphalt roofing products.
Asphalt siding shingles asbestos.
The siding may also contain asbestos if it is old with a wood grain texture to resemble cedar.
Asphalt or cement roofing and siding that contain asbestos when intact and in good condition are generally considered nonfriable and are not hazardous.
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.
If you don t know the age of the shingles inspect them for wear.
Asphalt siding material was made in two common versions one much like asphalt roof shingles but in larger sheets right side of the building photo near the top of this article and the other was comprised of an asphalt coating laminated to hardboard siding material or laminated to a softer wood based insulating board panel often sold as.
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.
Epa published a notice in the federal register 55 fr 5144 feb.
I suspect this is a canadian product.
Weatherside fiber cement siding is the 1 and only solution for replacing or repairing old asbestos siding shingles.
13 1990 identifying products made with asbestos.
Just wondering if this siding shown above may have asbestos.
The other possibility is a mineral granule coated asphalt based shingle siding or a mineral granule coated fiberboard based shingle siding.
On 2020 02 19 by marina.
Some asphalt impregnated paper based siding materials contain asbestos.
If they look old they might have asbestos fibers in them.
It s available in a variety of sizes and shapes to match many of the old siding shingles installed over the last 60 years.
Asbestos shingles were so common during the 20th century that almost any shingles installed between 1920 and 1986 probably include 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.
Finally in 1989 asbestos became illegal when the environmental protection agency epa issued an asbestos ban and phase out rule.
The home was built in 1940 in il.
Yes marina that s an asphalt based shingle siding.
Nonfriable means they cannot be broken up by hand pressure.
The asbestos neshap regulation lists the following asphalt roofing products as possibly containing asbestos 40 cfr 61 subpart m appendix a.
Where there are similar grooved asbestos cement shingle siding photos though not in this exact color and grooved pattern.
Determine when the shingles were installed on your roof.
