When it comes to applying a long lasting coat of paint start with a 100 acrylic exterior latex primer followed by 100 exterior latex paint.
How to scrape paint off asbestos siding.
It is possible to gently brush off the old flaking paint while keeping the siding damp to prevent dust.
They recommend that leaving the old shingles on is a safe choice though removal is a possibility too.
Advice for painting fiber cement or asbestos cement building shingles or siding.
Once the surface is prepped and cleaned there s really no difference when it comes to painting asbestos siding than any similar fiber cement or hardiboard siding.
Asbestos shingles hold paint very well when you use the right kind of coating.
You can power wash any loose paint or simply scrape and remove any loose paint lightly with a wire brush.
Do not sand or saw the asbestos shingles to prevent particles from entering the air you breathe.
Then either prime and paint or simply paint brush roll spray.
Cut in paint along windows doors and eaves with a good brush that disperses paint smoothly.
Repeat the painting process until you have two complete coats of oil based paint on the siding.
And while this operation can be safely completed on wood or other solid siding options it s not so easy when working with asbestos shingles.
Wear safety goggles if you are using a water blaster.
So what can you do.
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.
The choice is yours as far as whether you want to spray or roll the paint on.