If they look old they might have asbestos fibers in them.
How to tell if asbestos siding.
It s not usually that style made of asbestos.
If you don t know the age of the shingles inspect them for wear.
And i didn t know if the lap board if it had asbestos in it or not.
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.
The only way to be sure if your siding has asbestos in it is to collect a sample and send it to an accredited testing lab.
Asbestos siding was manufactured to resemble many different materials so it doesn t always look the same.
And typically that s made of wood or a composite.
Are there several layers of siding wall cladding extending out past the original door trim or window trim could be an indication of several layers of siding the one behind is likely containing asbestos since it was such a popular material previously.
It is generally very brittle and the back may be black and have the appearance of tar paper.
Look for a siding that is made to look like roof shingles.
They can make educated guesses and may often be proven right but the only way to be sure is to have a sample of your siding tested for asbestos.
Determine when the shingles were installed on your roof.
Asbestos shingles were so common during the 20th century that almost any shingles installed between 1920 and 1986 probably include asbestos.
Older style cement siding shingles were traditionally made by mixing asbestos into the cement in order to fireproof and strengthen siding.
The age of an home or the siding on it isn t.