Painting asbestos siding once we have cleaned and prepared the surface then there is really no difference when it comes to painting.
Painting asbestos siding shingles.
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.
Painting asbestos siding is often a much better alternative than trying to remove it.
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.
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.
These are easily prepared and easy to repaint.
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.
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 roll it or brush it on but make sure you get under the small lip at the bottom of each asbestos siding shingle.
Paint for asbestos cement siding works by creating a permanent polymer based barrier between the asbestos and the elements.
One concern when repainting this type of siding is the small gaps between the shingles.
You can power wash any loose paint or simply scrape and remove any.
Prepping your asbestos siding for repainting requires a lighter touch one involving lots of water to prevent dust from wafting up around the shingles.
Begin painting the siding with your choice of brushes and rollers making sure to check often for runs.
The danger of asbestos lies in the particles that escape and can be inhaled.
You know the nice thing about asbestos shingles is they never rot.
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.
And after you prime them you can use a standard house paint.
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.
Unfortunately asbestos never remains truly untouched because of nature.