Foaming - Cratering

Interior Paint Solution

 
 

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.

Possible Causes:

Shaking a partially filled can of paint.

Use of low quality paint or very old latex paint.

Applying (especially rolling ) paint too rapidly.

Use of a roller cover with wrong nap length.

Excessive rolling or brushing of the paint.

Applying a gloss or semi-gloss paint over a porous surface.

Solution:

All paints will foam to some degree during application; however, higher quality paints are formulated so the bubbles break while the paint is still wet, allowing for good flow and appearance. Avoid excessive rolling or brushing of the paint or using paint that is more than a year old. Apply gloss and semi gloss paints with a short nap roller, and apply an appropriate sealer or primer before using such paint over a porous surface. Problem areas should be sanded before repainting.

 

Interior Paint Problems

 

Exterior Paint Problems

Blistering

Burnishing

Blocking

Caulk Failures

Cracking - Flaking

Foaming - Cratering

Lapping

Mud Cracking

Mildew

Picture Framing

Poor Scrub Resistance

Poor Sheen Uniformity

Poor Stain Resistance

Poor Flow - Leveling

Poor Hiding

Roller Marks - Stipple

Roller Spattering

Sagging

Surfactant Leaching

Wrinkling

Yellowing

 

Alligatoring
Blistering

Chalk Run down
Chalking
Cracking Flaking

Dirt Pickup
Efflorescence - Mottling
Fading-Poor Color Retention
Frosting

Lapping

Mildew

Nailhead Rusting

Paint Incompatibility

Peeling
Poor Galvanized Metal Adhesion
Poor Alkali Resistance
Poor Gloss Retention

Surfactant Leaching

Tannin Staining

Vinyl Siding Warp

Wax Bleed

Wrinkling

 

 

 
 
 
 
 

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