Inspect exterior building materials.
How to tell if roof shingles are asbestos.
If you don t know the age of the shingles inspect them for wear.
Manufacturers used it in a variety of building materials such as floor tiles roofing shingles and insulation.
Determine when the shingles were installed on your roof.
When taking a sample be very careful because asbestos dust can get into the lungs and cause cancer.
Asbestos shingles were so common during the 20th century that almost any shingles installed between 1920 and 1986 probably include asbestos.
If you re going to check your garage roof for asbestos take the appropriate safety precautions.
Asbestos is a mineral fiber that was prized for its insulating properties.
Asbestos was used to make several exterior materials.
Inside the sheets will be held together by plastic or wooden runners.
If your roof is constructed in this way then you should also inspect the adhesives that have been used.
Roofing and siding shingles are the most common materials to contain asbestos.
If asbestos in the roof spreads this will lead to a health hazard making people breath in the cancer causing chemical that can result in lung cancer mesothelioma etc.
Asbestos sheets are often fixed together by aluminium runners held on by blunt ended nails.
Today we know that frequent exposure to airborne asbestos can lead to an increased risk of lung cancer.
No roofing company today uses asbestos in shingles.
Often these sheets were used as siding corrugated roofing and soffit material.
Wear a face mask gloves and cover any bare.
No roofer in their right mind would use asbestos based shingles on any project nor can these types of shingles be produced or sold in the united states.
Roofing and siding shingles are among the most common materials to contain asbestos and will readily release fibers into the air if broken.
Therefore when deciding to get a sample do so with certain precautions.
The only way to know for sure whether your roof contains asbestos is to have a sample tested by professionals in a certified laboratory.
If they look old they might have asbestos fibers in them.
It is only in scientific testing of a sample that determines asbestos in.
Asbestos was also put into cement used on the exterior of buildings to help insulate the.
The only way to safely know whether the roof tiles contain asbestos or not is to have a sample professionally checked under a microscope that uses polarized light.
Accordingly if the material contains less than 1 asbestos it is safe and does not require removal.
Look at the joints.
Furthermore asbestos roofing produces a higher asbestos concentration than other cement roof sheets.
To check the concrete for asbestos look out for thin pieces of it containing small fibres.