Covering old asbestos shingles with new siding may seem like an option too but it s not easy to do safely.
Old roof shingles asbestos.
Determine when the shingles were installed on your roof.
This way you ll avoid the hazardous dust created by tearing the shingles off.
Rarely if ever will they need to be cut and cutting is the one activity that creates hazardous dust.
It should be remembered that the danger arises once the cement layer starts to disintegrate and the asbestos fibers surface.
Asbestos shingles were so common during the 20th century that almost any shingles installed between 1920 and 1986 probably include asbestos.
When you remove those shingles they will either come off when you pull out the nails require you to snap them off or require you to cut them.
If they look old they might have asbestos fibers in them.
Asbestos shingles are relatively strong but brittle.
However there are many that have lasted as long as 50 years and are still in good condition.
Instead cover the shingles with polystyrene foam insulation panels then hang the new vinyl siding using 2 in long nails.
Corrugated cement panels were used for a short period of time as they break quite easily.
Asbestos cement shingles can be removed safely without costly teams of abatement professionals.
If you don t know the age of the shingles inspect them for wear.
The most common and least expensive solution is to leave the original asbestos shingles in place and remove only the aluminum siding.
Shingles made with asbestos are only expected to last for 30 years.
Asphalt shingles usually contain small amounts of asbestos.
Flat roofs often chose tar with gravel stones while pitched roofs used layered asphalt shingles.
In reality while asbestos was commonly used in many asphalt roofing materials asbestos was rarely used in the shingles themselves.
Regardless of roof style almost all petroleum based roofing materials once contained deadly asbestos fibers.
It is acknowledged by the asphalt shingle manufacturers that between 1963 and the mid 1970s some manufacturers did use asbestos in the fiber mat of shingles.
History asbestos shingle history begins with inventor and entrepreneur ludwig hatschek who was born in the czech republic on october 9 1856.
Roofing materials widely varied as well.
Their width can range from 12 to 48 inches and are very simple to identify since asbestos fibers can be seen on the grained sections of the material.
You can t drive screws and nails through them without pre drilling.
This would trigger dust and asbestos dust is a problem as i ve mentioned.
