I wouldn t powerwash it.
How to paint asbestos siding shingles.
Begin painting the siding with your choice of brushes and rollers making sure to check often for runs.
Advice for painting fiber cement or asbestos cement building shingles or siding.
Allow the primer to dry completely.
Wet down the top portion of the shingles.
Climb up with your scrub brush and hose.
Then you will need to prime the shingles with an exterior acrylic primer such as duron bond n seal and finish.
I have asbestos shingles and they look not really great and i d like to paint them but i just don t know what kind of paint to use.
Set your ladder to the highest point of the house.
Avoid the temptation to go with the cheapest paint you can find as painting asbestos siding is no different than painting any other exterior surface that s exposed to the elements.
In our page top photo of badly peeling paint on fiber cement lap siding we suspect that the wrong paint was used the paint was improperly mixed a primer was needed or the paint was applied over a chalked or damp surface.
Pick a good quality exterior paint from a company like benjamin moore or sherwin williams and you ll be fine.
Picking the right paint for asbestos siding.
If it needs to be primed.
Allow the shingles to dry for a couple of sunny days before you start to paint them.
If it needs to powerwashed first or tom.
One concern when repainting this type of siding is the small gaps between the shingles.
Well it s never a bad idea to prime anything before you paint it.
Put on your mask.
Let the surface.
With the water still running over it scrub the area with your brush.
You can roll it or brush it on but make sure you get under the small lip at the bottom of each asbestos siding shingle.
There really is no right paint when painting asbestos siding as it doesn t require anything out of the ordinary.