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.
How to repaint asbestos siding peeling.
Remove any peeling paint.
When you say asbestos shingles i presume you mean asbestos siding shingles.
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.
Not allowing moisture penetrating wood trim or siding to cause peeling cracking or blistering.
Begin by analyzing a paint sample for lead content.
You can power wash any loose paint or simply scrape and remove any.
Painting asbestos shingles the asbestos shingles on my 118 year old house are badly in need of repainting.
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.
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.
If you hire the job out painting asbestos siding doesn t require any special licensing as far as the contractor doing the work so you.
Often since asbestos siding holds paint so well there won t be any but if there is it you must remove it before you can repaint.
Like most wooden shingles however especially when painted they require care and maintenance over the course of time.
Cedar shakes are cedar shingles that naturally weather and are resistant to decay.
The two main types are encapsulants and latex paints.
Both types are latex based which is important because latex creates a permanent barrier that protects the asbestos from exposure and prevents it from releasing.
Why fade resistant is important is fade is the first thing to be seen as paint ages.
These are easily prepared and easy to repaint.
Once we have cleaned and prepared the surface then there is really no difference when it comes to painting.
Advice for painting fiber cement or asbestos cement building shingles or siding.
Besides the need to create a good surface for painting asbestos siding there are two other areas of concern.
If your exterior paint resists paint fade the longest it will retain it s original structure and chemical makeup longer thereby not cracking peeling or.
The paint will begin to peel and the shingles may become stained and they will need to be repainted.
Since asbestos is only dangerous when it is in a friable state you will remove the paint without sanding or scraping.