Causes:
After years of wear, asbestos cement siding can develop a
surface layer of fine dust similar to chalk. This will
cause the paint to peel.
Solution:
Before you try to fix this problem, check for local or
state regulations regarding the removal of
asbestos-containing products.
Loose paint should be removed by pressure-washing.
Use extreme caution when scraping or sanding asbestos
shingles. It is extremely important to wear protective
gear to prevent inhaling asbestos dust particles. It is
equally important to prevent fibers and dust from entering
occupied areas and to prevent accumulations of dust being
left for tracking into these areas.
After the shingles have completely dried, check for
structural integrity. If they remain soft, no coating will
offer long-term service. Sound substrate should be primed
with an alkyd or latex primer. |