The biggest concern is that you should avoid power-washing asbestos siding, as it can chip or damage thesiding and release dangerous asbestos fibers into the air. 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.
Hi Marilyn, pressure washing of asbestos siding can be done, but its condition must be considered first. If there is fraying on the edges of the tiles, the answer is no. If the tiles are in really good shape, and you only looking to clean them, not prep for paint. Then as long as your use a lower pressure wand with the fan spray you will be fine. If you use the point type tip or higher pressure you can eat into the shingles which can release some tiny fibers of the asbestos which is exactly what you do not want to do. I would suggest to err on the side of caution. There are several great cleaning systems that you can purchase from the big box stores that utilize your garden hose and some cleaning chemicals that you may want to try first. If you are thinking about cleaning to prep for painting, a good scrubbing with a pole brush will work fine as well. Just remember the asbestos that is in these shingles is a bit different than that on pipes. It was used as a binding agent to hold the singles together. Unless you scrape, drill, or destroy the shingle the asbestos pretty much stays where it is. With power washing, you are removing a fine layer of material that could expose these fibers making them a bit more dangerous. But as long as you have a good quality coat of paint on them, they are safe around people and pets.
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Hi M, No, it's not a good idea to power wash. Asbestos is dangerous when fibers become detached and airborne. Here's a link on how to clean it:
https://www.hunker.com/13416102/how-to-clean-asbestos-siding
Good luck!
I would say NO! Much better to seal it or cover it if it cannot be removed by professionals..............
According to https://www.asbestossiding.org/painting-asbestos-siding/
The biggest concern is that you should avoid power-washing asbestos siding, as it can chip or damage thesiding and release dangerous asbestos fibers into the air. 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.
Hi Marilyn, pressure washing of asbestos siding can be done, but its condition must be considered first. If there is fraying on the edges of the tiles, the answer is no. If the tiles are in really good shape, and you only looking to clean them, not prep for paint. Then as long as your use a lower pressure wand with the fan spray you will be fine. If you use the point type tip or higher pressure you can eat into the shingles which can release some tiny fibers of the asbestos which is exactly what you do not want to do. I would suggest to err on the side of caution. There are several great cleaning systems that you can purchase from the big box stores that utilize your garden hose and some cleaning chemicals that you may want to try first. If you are thinking about cleaning to prep for painting, a good scrubbing with a pole brush will work fine as well. Just remember the asbestos that is in these shingles is a bit different than that on pipes. It was used as a binding agent to hold the singles together. Unless you scrape, drill, or destroy the shingle the asbestos pretty much stays where it is. With power washing, you are removing a fine layer of material that could expose these fibers making them a bit more dangerous. But as long as you have a good quality coat of paint on them, they are safe around people and pets.