The building shown at left located in hughsonville ny using the thatch edged shingle siding style is almost certainly sided with asbestos cement shingles.
Asbestos asphalt shingle siding.
Some asphalt siding may contain asbestos in the asphalt impregnated felt backer or asbestos may also be in the asphalt impregnated paper tar paper or felt used as a house wrap under the siding.
Because asbestos in a mineral and fibrous adding asbestos to siding materials also increases strength and durability while providing some insulation and fireproofing to the structure.
No installing new siding over the old asbestos siding isn t a viable option.
Asbestos shingles are relatively strong but brittle.
It is very difficult to remove spray paint graffiti without also dissolving or discoloring some of the siding surface coating material itself.
If you don t know the age of the shingles inspect them for wear.
If they look old they might have asbestos fibers in them.
From the 1940 s to perhaps the early 1970 s it was popular to cover peeling wood clapboard buildings with this durable material.
This would trigger dust and asbestos dust is a problem as i ve mentioned.
You can t drive screws and nails through them without pre drilling.
Asbestos shingles were so common during the 20th century that almost any shingles installed between 1920 and 1986 probably include asbestos.
Determine when the shingles were installed on your roof.