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 cement asbestos siding.
These are easily prepared and easy to repaint.
The danger of asbestos lies in the particles that escape and can be inhaled.
Painting cement asbestos siding or non asbestos fiber cement siding is in part a cosmetic decision.
Unfortunately asbestos never remains truly untouched because of nature.
Besides the need to create a good surface for painting asbestos siding there are two other areas of concern.
Allow the primer to dry completely.
Unlike more porous siding materials such as wood clapboard asbestos cement siding will not quickly soak up paint which allows it to be painted more easily.
Where acm cannot be removed and must be sealed painted coated or cleaned there may be a risk to health.
Untouched asbestos is just as safe as any other siding or insulation.
There are two common versions for use on homes apartment buildings or commercial structures.
This version allows you to paint the fiber cement siding in whatever color scheme you choose after installation.
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.
Painting asbestos siding once we have cleaned and prepared the surface then there is really no difference when it comes to painting.
Begin by analyzing a paint sample for lead content.
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.
Paint for asbestos cement siding works by creating a permanent polymer based barrier between the asbestos and the elements.
Painting asbestos siding is often a much better alternative than trying to remove it.
One concern when repainting this type of siding is the small gaps between the shingles.
Begin painting the siding with your choice of brushes and rollers making sure to check often for runs.
You can power wash any loose paint or simply scrape and remove any.
Such tasks can only be carried out on acms that are in good condition.
We have rarely seen this material in a worn friable condition but should that occur one might paint the surface also to stop fiber shedding and to preserve the material.
When you say asbestos shingles i presume you mean asbestos siding shingles.