Efflorescence - Mottling

Exterior Paint Solution

 

 

Efflorescence - Mottling: Efflorescence is the formation of crusty, white salt deposits, leached from mortar or masonry
as water passes through it.

Possible Causes:

Failure to adequately prepare surface by removing all previous efflorescence.

Excess moisture escaping through the exterior walls from the inside.

Solution:

If excess moisture is the cause, eliminate the source by repairing the roof, cleaning gutters and downspouts and sealing any cracks in the masonry using a quality water-based all-acrylic or siliconized acrylic caulk. If moist air is originating inside the building, consider installing vents or exhaust fans, especially in kitchen, bathroom and laundry areas. Remove all efflorescence and loose material from the masonry with a wire brush, power brush or power washer; then rinse. Apply a masonry sealer and allow it to dry completely; then apply a coat of top quality exterior house paint, masonry paint.

 

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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