The paint on some of my walls is "loose", you can peel it off in small
sheets. When you wipe your hand over the wall where the paint came off it
leaves a white powder on the hand. Do I need to seal the wall ? What should
I wash it with first and use to seal it? Any advice is very appreciated.
Sounds like an exterior wall, probably plaster. Latex paint
cannot breathe so hydrostatic pressure pushes it off the wall and
deteriorates the plaster to boot. Do NOT use latex on exterior
plaster walls bonded directly to masonry.
Keep the whole world singing . . . .
Interior? Exterior? How old is the coat of paint? What kind of paint?
It is normal outdoors for any
kind of paint to take on chalking from weather. If that is what your
are addressing, it needs to be pressure
washed when ready to repaint. Peeling outdoors typically comes from
some moisture getting into the
wood (especially at joints/ends of wood siding), or applying paint
before the surface dries completely. Lots of reasons for paint
the more specific you can be, the better to get good advice. FWIF, all
of the instructions on a can
of good paint - prep, temperature, sun, cleaning, humidity, etc. - are
there for very good reasons.
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