Green Asbestos Siding

Green stains on siding are usually the result of mold mildew algae or moss.

Green asbestos siding.

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. Asbestos shingles are relatively strong but. Fortunately siding can be cleaned to remove not only green stains but other dirt and stains that may be taking over the homes exterior. The epa asbestos web site contains general information on asbestos sources exposure and health effects what to do if you suspect asbestos training and laws and regulations.

That cement was then pressed into siding shingles that came in a wide variety of sizes profiles and textures. Cement asbestos wall shingles outside and not easily friable unless being demolished or cut with power tools. These two chemically similar minerals can be brown white green gray or transparent. Let the siding dry then prime and paint with the best exterior latex you can find.

Asbestos siding is composed of asbestos fibers mixed with portland cement. The use of a pressure washer for maintenance can crack the siding and lead to moisture intrusion if the pressure setting is high enough. And see asbestos cement siding for details about cement asbestos building siding its repair removal demolition or cover over. It also occurs as a contaminant in chrysotile asbestos vermiculite and talc.

Asbestos siding was made by adding asbestos a naturally occurring mineral to portland cement. It s available in a variety of sizes and shapes to match many of the old siding shingles installed over the last 60 years. These stains occur naturally over time. The resulting product was very durable fire resistant and absorbed paint well.

When house siding begins to turn green it diminishes the exterior appearance of the home. See photos at asbestos siding in this document. It may have a grey dull green or white color. 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.

Asbestos cement can be dangerous if pulverized by sawing sanding breaking etc. Lead paint wasn t outlawed until 1978 so it s sure to be present on siding going back to the 1950s. Covering old asbestos shingles with new siding may seem like an option too but it s not easy to do safely. Exposure to and breathing asbestos fibers can result in lung problems and cancer.