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Listed below are some of the most common problems that, thankfully, have some straightforward answers. Just locate the problem, click on it and a more detailed description will appear.

Blistering

Bubbles resulting from localized loss of adhesion, and lifting of the paint film from the underlying surface.

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Blocking
Blocking

Undesirable sticking together of two painted surfaces when pressed together (e.g., a door sticking to the jamb).

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Burnishing
Burnishing

Increase in gloss or sheen of paint film when subjected to rubbing, scrubbing or having an object brush up against it.

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Caulk Finishing
Caulk Finishing

Loss of 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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Cracking/Flaking
Cracking/Flaking

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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Foaming/Cratering
Foaming/Cratering

Formation of bubbles (foaming) and resulting small, round concave depressions (cratering) when bubbles break in a paint film, during paint application and drying.

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Lapping
Lapping

Appearance of a denser colour or increased gloss where wet and dry layers overlap during paint application.

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Mildew
Mildew

Black, gray or brown spots or areas on the surface of paint or caulk.

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Mud Cracking
Mud Cracking

Deep, irregular cracks resembling dried mud in dry paint film.

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Picture Framing
Picture Framing

An effect of non-uniform colour 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 neighbouring sections that are brushed or rolled. Picture framing can also refer to sheen effects.

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Poor Flow/Levelling
Poor Flow/Levelling

Failure of paint to dry to a smooth film, resulting in unsightly brush and roller marks after the paint dries.

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Poor Hiding
Poor Hiding

Failure of dried paint to obscure or "hide" the surface to which it is applied.

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Poor Paint Resistance
Poor Paint Resistance

Tendency of paint film to take on the imprint of an object that is placed on it (e.g., a shelf, table, window sill or countertop with books, dishes and other objects on them).

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Poor Scrub Resistance
Poor Scrub Resistance

Wearing away or removal of the paint film when scrubbed with a brush, sponge, or cloth.

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Poor Sheen Uniformity
Poor Sheen Uniformity

Shiny spots or dull spots (also known as "flashing") on a painted surface; uneven gloss.

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Poor Stain Resistance
Poor Stain Resistance

Failure of the paint to resist absorption of dirt and stains.

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Roller Marks/Stipple
Roller Marks/Stipple

Unintentional textured pattern left in the paint by the roller.

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Roller Spattering
Roller Spattering

Tendency of a roller to throw off small droplets of paint during application.

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Sagging
Sagging

Downward drooping movement of the paint film immediately after application, resulting in an uneven coating.

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Surfactant Leaching
Surfactant Leaching

Concentration of water-soluble ingredients on the surface of a latex paint, typically on a ceiling surface in rooms that have high humidity (e.g., shower, bathroom, kitchen); may be evident as tan or brown spots or areas, and can sometimes be glossy, soapy or sticky.

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Wrinkling
Wrinkling

A rough, crinkled paint surface, which occurs when uncured paint forms a skin.

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Yellowing
Yellowing

Development of a yellow cast in aging paint; most noticeable in the dried film of white paints or clear varnishes.

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