Our method of choice to first apply zinsser peel stop triple thick primer which is a water based acrylic binding primer designed to penetrate and stop previous coatings from peeling.
Painting asbestos siding shingles.
You can power wash any loose paint or simply scrape and remove any.
After it dries thoroughly then it s a good idea to prime them.
It s not difficult at all to paint asbestos siding as one of its benefits is that paint easily adheres to it and it is very durable and can last for decades without chipping or cracking.
The danger of asbestos lies in the particles that escape and can be inhaled.
One concern when repainting this type of siding is the small gaps between the shingles.
You know the nice thing about asbestos shingles is they never rot.
Painting asbestos siding is often a much better alternative than trying to remove it.
Begin painting the siding with your choice of brushes and rollers making sure to check often for runs.
Untouched asbestos is just as safe as any other siding or insulation.
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.
When the asbestos cement siding is soiled or moldy or has an algae coating we prefer to gently clean the surface with a sprayer perhaps a deck cleaner solution.
Unfortunately asbestos never remains truly untouched because of nature.
These are easily prepared and easy to repaint.
Allow the primer to dry completely.
Besides the need to create a good surface for painting asbestos siding there are two other areas of concern.
Begin by analyzing a paint sample for lead content.
Painting asbestos siding once we have cleaned and prepared the surface then there is really no difference when it comes to painting.
Paint for asbestos cement siding works by creating a permanent polymer based barrier between the asbestos and the elements.
Fiber cement shingles both new non asbestos product and the older asbestos cement product are provided from the manufacturer with a coated surface usually white.
The first is the possible and almost certain presence of lead based paint on the siding and the second is the asbestos in the siding itself.
When you say asbestos shingles i presume you mean asbestos siding shingles.