Difference Between Asbestos Siding And Shingles
Covering old asbestos shingles with new siding may seem like an option too but it s not easy to do safely.
Difference between asbestos siding and shingles. Determine when the shingles were installed on your roof. As the experts at asbestos siding note it is sometimes difficult to spot because it was often manufactured to resemble different types of siding in a variety of colors and textures. Let the siding dry then prime and paint with the best exterior latex you can find. The siding may also contain asbestos if it is old with a wood grain texture to resemble cedar.
The use of asbestos cement roof shingles was growing at a steady rate in the united states. These shingles are a fact of life in that area and for houses of the early and mid 20th century. Testing your siding for asbestos. If you don t know the age of the shingles inspect them for wear.
Asbestos shingles were so common during the 20th century that almost any shingles installed between 1920 and 1986 probably include asbestos. Everyone is trying to save money today by doing things themselves. If you do somehow end up with those shingles remaining on your house we doubt they will affect your sale. Because fiber cement siding manufactured in north america after around 1978 was made without using asbestos in those later products and because those non asbestos fiber cement shingles included products that by eye were an exact visual match for their older asbestos containing brothers and sisters already installed a building built.
If your siding fits either of these descriptions you should consider having it tested. Unless asbestos siding is disturbed it doesn t pose a significant health hazard and does not need to be removed. In the early 1920s american roofing material manufacturers johns mansville carey eternit and century were all offering at least one asbestos cement roofing shingle to their customers. Lead paint wasn t outlawed until 1978 so it s sure to be present on siding going back to the 1950s.
Best paint for covering asbestos siding. The east coast is filled with houses sided in these asbestos cement shingles. The siding was made by combining cement with asbestos which is a naturally occurring mineral that is fibrous in nature and fireproof. Installing vinyl siding will require disturbing the asbestos by nailing into it.
The use of asbestos siding shingles was a popular one that was used in the us from the early part of the 20th century until the 1970s. Both the epa and the vinyl siding institute recommend not disturbing asbestos if at all possible. Asbestos shingles are relatively strong but. Right way to apply paint to asbestos shingles and siding.
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. Difference between latex paint and encapsulants.