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.
Repainting asbestos siding.
Begin painting the siding with your choice of brushes and rollers making sure to check often for runs.
One concern when repainting this type of siding is the small gaps between the shingles.
Allow the primer to dry completely.
A typical procedure is to install furring strips on the existing wall avoiding breaking the existing siding.
A common remodeling practice is to install new vinyl or aluminum siding over cement asbestos shingle siding as well as over many other older siding materials when the old siding has become damaged leaky or cosmetically ugly.
Painting asbestos siding once we have cleaned and prepared the surface then there is really no difference when it comes to painting.
Once the surface is prepped and cleaned there s really no difference when it comes to painting asbestos siding than any similar fiber cement or hardiboard siding.
The choice is yours as far as whether you want to spray or roll the paint on.
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.
Take appropriate care and precautions when removing and disposing of old asbestos siding pieces.
Begin by analyzing a paint sample for lead content.