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Bubbles resulting
from a localized loss of adhesion and lifting of the paint film from the
underlying surface.
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Undesirable
sticking together of two painted surfaces when pressed together (e.g., a
door sticking to the jamb).
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Occurs most often
in flat finishes. It is an uneven film appearance due to an increase in the
gloss or sheen of the paint film when subjected to rubbing, scrubbing, or
having an object brush up against it.
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Loss of the
caulk's initial adhesion and flexibility, causing it to crack and/or pull
away from the surfaces to which it is applied.
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The splitting of
a dry paint film through at least one coat as a result of aging, which
ultimately will lead to complete failure of the paint. In its early stages,
the problem appears as hairline cracks; in its later stages, flaking occurs.
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Formation of air
bubbles (foaming) during paint application. Cratering appears as small,
round concave depressions caused from air bubbles breaking in a partially
dried paint film.
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Appearance of a
denser color or increased gloss where wet and dry layers overlap during
paint application.
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Black, gray, or
brown spots or areas found on the paint film or caulk bead.
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Deep, irregular
cracks in a dry paint film resembling sun baked dried mud.
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An effect of
non-uniform color that can appear when a wall is painted with a roller, but
is brushed at the corners. The brushed areas generally appear darker,
resembling the "frame" of a "picture". Also, sprayed areas may be darker
than neighboring sections that are brushed or rolled. Picture framing can
also refer to seen effects.
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Failure of paint
to dry to a smooth film, resulting in unsightly brush and roller marks in
the dried paint film.
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Failure of dried
paint to obscure or "hide" the surface to which it is applied.
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Tendency of the
paint film to take on the imprint of a heavy object. For example, books,
dishes, and other objects placed on a painted shelf, table, window sill, or
countertop.
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Wearing away or
removal of the paint film when scrubbed with a brush, sponge, or cloth.
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Shiny or dull
spots (also known as "flashing") observed on a painted surface; uneven gloss
appearance.
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Failure of the
paint to resist absorption of dirt and stains causing their removal to be
difficult.
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Unintentional textured pattern
left in the paint film by the roller.
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Tendency of a roller to throw
off small droplets of paint during application.
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Downward "drooping" movement of
the paint film immediately after application, resulting in an uneven film
appearance.
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Film discoloration due to a
concentration of water-soluble ingredients on the painted surface, typically
found on ceiling surface in rooms that have high humidity, for example
bathrooms and kitchens. The discoloration may appear as light tan or brown
spots showing a glossy, soapy appearance.
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A rough, crinkled
paint surface, which occurs when drying, uncured paint forms a wrinkled
"skin".
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Development of a
yellow cast in aging paint, most noticeable in the films of white and light
off-white colored paints or clear varnishes.
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