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.
Pressure washer asbestos siding.
When you say asbestos shingles i presume you mean asbestos siding shingles.
Commercial pressure washers are great for the toughest of stains and paint prep.
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.
For the toughest deep cleaning jobs consider 3100 psi pressure washers.
The power washer is going to release particles of asbestos regardless of how careful you are with it.
Now change the pressure washer nozzle to the 25 or 40 degree spray tip and wash away all the detergent while keeping the wand at least 1 foot away from your house siding.
Asbestos cement can be dangerous if pulverized by sawing sanding breaking etc.
Too much pressure from a power washer could create an unwanted hole in vinyl siding mark concrete or splinter wood.
These are easily prepared and easy to repaint.
Mix one part bleach and three parts water and spray.
The use of a pressure washer for maintenance can crack the siding and lead to moisture intrusion if the pressure setting is high enough.
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.
Remove any biological growth such as moss and fungus from the surface of the siding.
Avoid direct sunlight and let the detergent sit for 5 10 minutes.
If the tiles are in really good shape and your only looking to clean them not prep for paint.
It is difficult to find replacement siding for repairs.
You can power wash any loose paint or simply scrape and remove any.
Safety first when pressure washing.
Then as long as your using a lower pressure wand with the fan spray you will be fine.
Mix a mild detergent such as tide with water to make a cleaning solution.
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.
This is one of the few ways that you can damage it.
Place the detergent in the bucket and.
How to clean asbestos siding.
Power washing of asbestos wall tiles can be done but its condition must be considered first.
Only use a pressure washer at a distance of 6 feet or more.
If there is fraying on the edges of the tiles the answer is no.
Do not use a high pressure hose to clean fiber cement siding.
