So i think i ll just put on a fresh coat of paint.
Pressure washing old asbestos siding.
If you do power wash use as gentle a touch as possible and quit if you find that you re knocking pieces of siding off.
Asbestos cement siding is very brittle and can be easily chipped cracked or broken.
These are easily prepared and easy to repaint.
If there is fraying on the edges of the tiles the answer is no.
From there water can damage insulation electrical wiring and can spur mold growth.
While it s possible to wash wood siding correctly there s also a good chance that water will find its way up and under the exterior surface if you use high pressure.
Asbestos siding achieved its height in popularity between the 1920s and 1970s.
The biggest concern is that you should avoid power washing asbestos siding as it can chip or damage the siding and release dangerous asbestos fibers into the air.
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If the tiles are in really good shape and your only looking to clean them not prep for paint.
Should i prep the surface by powerwashing or will that release harmful asbestos particles.
This article warns about un supervised or un trained environmental cleanup companies or work crews handling asbestos lead mold and similar indoor contaminants including identification of amateur or improper asbestos abatement projects that failed to properly remove materials or that left abandoned asbestos materials in place.
When you say asbestos shingles i presume you mean asbestos siding shingles.
A high powered pressure washer can also dent aluminum and vinyl siding.
Many homes used this type of siding because it was easy to clean and more durable than other substances.
I have an old house with asbestos cement siding.
Asbestos cement can be dangerous if pulverized by sawing sanding breaking etc.
I d like to remove it and put on new siding but that job is prohibitively expensive right now.
If you feel that you need to use a pressure washer especially on harder to reach locations only use it at a low pressure under 1500 psi with a wide tip.
Do not use a high pressure hose to clean fiber cement siding.
Asbestos cement roof damaged by washing.
The use of a pressure washer for maintenance can crack the siding and lead to moisture intrusion if the pressure setting is high enough.
Bob vila interviews a contractor in the process of using a pressure washer to remove paint from exterior wood siding.
This is one of the few ways that you can damage it.
You can power wash any loose paint or simply scrape and remove any.
Then as long as your using a lower pressure wand with the fan spray you will be fine.
