We rinse with plain water to pre wet the surface and remove very loose dirt.
How to prepare asbestos siding for paint.
Then be sure that the siding is dry before applying either primer or paint.
Here at top coat painters we dial down the pressure and use a 4 step process.
Asbestos shingles hold paint very well when you use the right kind of coating.
Not all latex paint is 100 acrylic so read the labels.
They recommend that leaving the old shingles on is a safe choice though removal is a possibility too.
Covering old asbestos shingles with new siding may seem like an option too but it s not easy to do safely.
Compared to other similar hardie board or fiber cement siding there is not much difference in terms of painting asbestos siding after you prepped and cleaned the surface.
When you are done cleaning paint the siding with a suitable primer.
Since asbestos is only dangerous when it is in a friable state you will remove the paint without sanding or scraping.
Taking some extra time cleaning and prepping the siding before painting which is always recommended to remove dirt and mildew that may present is necessary.
Use a water blaster for the large pieces and allow the siding to dry thoroughly.
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.
Asbestos shingles are relatively strong but brittle.
Normally you d scrap down the old paint from your siding but doing that with asbestos can release dangerous particles into the air.
You can t drive screws and nails through them without pre drilling.
Prepping your asbestos siding for repainting requires a lighter touch one involving lots of water to prevent dust from wafting up around the shingles.
Preparation before coating is the key to a successful paint job.
Be sure to use both a primer and top coat that are recommended for use on cleaned fiber cement siding as recommended by the manfacturer of both the siding and the paint.
Using a respirator rated for asbestos and disposable tyvek suits is likely overkill for painting asbestos siding but they are definitely necessary when removing siding but peace of mind is priceless especially if your significant other insists.
Let the siding dry then prime and paint with the best exterior latex you can find.
