Alisa, via Facebook
Bubbles
indicate that water may have damaged the drywall, says Tom Pawlowski, a
building contractor in New York City. To repair it, start by scraping
off the loose paint with a metal putty knife. (If this step reveals
large holes or mushy material, call in a pro. But if you're faced with
just a bit of flaking, keep going.) Smooth the surface of the ceiling
with 120-grit sandpaper, then apply a coat of oil-based primer and let
dry for 1 to 2 hours. Next, apply a thin layer of Spackle with a metal
knife, let it dry (this could take up to 24 hours, depending on size),
then sand the area thoroughly. Repeat the spackling process. When the
surface is nice and smooth, apply primer and then repaint.
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