Allow the primer to dry completely.
Painting asbestos roof shingles.
And after you prime them you can use a standard house paint.
Untouched asbestos is just as safe as any other siding or insulation.
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.
Jomax is good product to use and all you need is a pump up garden sprayer and a hose to use this product.
After it dries thoroughly then it s a good idea to prime them.
Unfortunately asbestos never remains truly untouched because of nature.
With the water still running over it scrub the area with your brush.
Put on your mask.
Wet down the top portion of the shingles.
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.
You know the nice thing about asbestos shingles is they never rot.
Let the surface.
The primer creates an adhesive surface for the paint and helps seal the color of the old paint.
The danger of asbestos lies in the particles that escape and can be inhaled.
The first thing you need to do is wash the shingles down to remove dirt and mildew.
Climb up with your scrub brush and hose.
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.
Apply a coat of primer to the newly cleaned siding.