Green Asbestos Siding

These two chemically similar minerals can be brown white green gray or transparent.

Green asbestos siding.

It is very brittle and has a tendency to crack and break when nailed which can release asbestos fibers into both the air and ground. Green stains on siding are usually the result of mold mildew algae or moss. Asbestos cement can be dangerous if pulverized by sawing sanding breaking etc. Let the siding dry then prime and paint with the best exterior latex you can find.

The use of a pressure washer for maintenance can crack the siding and lead to moisture intrusion if the pressure setting is high enough. When house siding begins to turn green it diminishes the exterior appearance of the home. Covering old asbestos shingles with new siding may seem like an option too but it s not easy to do safely. And see asbestos cement siding for details about cement asbestos building siding its repair removal demolition or cover over.

These stains occur naturally over time. Fortunately siding can be cleaned to remove not only green stains but other dirt and stains that may be taking over the homes exterior. Exposure to and breathing asbestos fibers can result in lung problems and cancer. Asbestos siding was made by adding asbestos a naturally occurring mineral to portland cement.

Asbestos cement siding is very brittle and can be easily chipped cracked or broken. Tremolite and actinolite are not used commercially but they can be found as contaminants in chrysotile asbestos vermiculite and talc. It s available in a variety of sizes and shapes to match many of the old siding shingles installed over the last 60 years. Lead paint wasn t outlawed until 1978 so it s sure to be present on siding going back to the 1950s.

It may have a grey dull green or white color. Asbestos siding is composed of asbestos fibers mixed with portland cement. Asbestos shingles are relatively strong but. See photos at asbestos siding in this document.

Weatherside fiber cement siding is the 1 and weatherside fiber cement siding is the 1 and only solution for replacing or repairing old asbestos siding shingles. It also occurs as a contaminant in chrysotile asbestos vermiculite and talc. Cement asbestos wall shingles outside and not easily friable unless being demolished or cut with power tools. Effective january 10 2019 inquiries and correspondence regarding new permit applications reporting and compliance matters related to sites in armstrong and indiana counties should be directed to dep s northwest regional office questions on permit applications under review as of january 9 2019 and pending enforcement matters for armstrong and indiana counties should.