Blistering: Bubbles resulting from localized loss of
adhesion and lifting of the paint film from the underlying
Applying oil-based or alkyd paint over a damp or wet
Moisture seeping into the home through the exterior walls
(less likely with latex paint).
Exposure of latex paint film to high humidity or moisture
shortly after paint has dried, especially if there was
inadequate surface preparation.
If blisters do not go all the way down to the substrate:
blisters by scraping and sanding, and repaint with a
quality acrylic latex interior paint.
If blisters go down to the substrate: Remove the source of
moisture, if possible. Repair loose caulking; consider
installing vents or exhaust fans. Remove blisters as
above, remembering to prime before applying the top coat.
Painting tips & tricks
If you use a good, stain blocking primer, you can usually get away with 1
finished coat of paint.
Painting old moldings
Over the years and after many coats of paint, door frames,
windows and wall molding joints are no longer well defined
and easy to trim. Carefully trace over the joints with a
plasterboard knife using a yardstick if necessary. The
traced cut will act as a paint dam? as long as you don't use
Paint without removing fixtures
To avoid having to remove fixtures before painting,
particularly when the pieces are difficult to get off,
nothing works like Vaseline petroleum jelly. Just spread it
on the surfaces to be protected before starting to paint and
when finished, clean the fixtures with a paper towel or a
Removing paint on glass and windows
It is well known that dried paint can be removed from glass
with a razor blade. If the glass objects are textured or
uneven, soak them in water and dishwasher liquid for a few
Doing clean touch ups
During light painting jobs, put a "Zip Lock" type sandwich
bag in a plastic margarine tub and fold the bag edges over
the rim. Pour the paint into the bag of your "paint tray"
and once the job is over, remove the bag and seal it, or
throw it away.