You can power wash any loose paint or simply scrape and remove any.
Pressure washer asbestos siding.
When you say asbestos shingles i presume you mean asbestos siding shingles.
If the tiles are in really good shape and your only looking to clean them not prep for paint.
The use of a pressure washer for maintenance can crack the siding and lead to moisture intrusion if the pressure setting is high enough.
Safety first when pressure washing.
Power washing of asbestos wall tiles can be done but its condition must be considered first.
Asbestos cement can be dangerous if pulverized by sawing sanding breaking etc.
For the toughest deep cleaning jobs consider 3100 psi pressure washers.
Mix one part bleach and three parts water and spray.
Although most of those particles will be trapped in the water while you are washing it the water will eventually evaporate and release those particles.
Mix a mild detergent such as tide with water to make a cleaning solution.
This product cannot be refurbished unlike other forms of siding.
It is difficult to find replacement siding for repairs.
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.
If there is fraying on the edges of the tiles the answer is no.
Then as long as your using a lower pressure wand with the fan spray you will be fine.
This is one of the few ways that you can damage it.
Clean up for something like this could cost even more money.
Apply the soap from the bottom up and rinse it away from the top down.
Too much pressure from a power washer could create an unwanted hole in vinyl siding mark concrete or splinter wood.
Commercial pressure washers are great for the toughest of stains and paint prep.
These are easily prepared and easy to repaint.
How to clean asbestos siding.
Remove any biological growth such as moss and fungus from the surface of the siding.
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.
Place the detergent in the bucket and.
The power washer is going to release particles of asbestos regardless of how careful you are with it.
Avoid direct sunlight and let the detergent sit for 5 10 minutes.
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.