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Wax Bleed

Exterior Paint Solution

 
 

Wax Bleed: Stains that come from waxy substances in the reconstituted wood products used to make hardboard siding. When the substrate is painted, these staining substances bleed through the paint; they can even bleed through some ordinary primers, possibly causing dirt pickup, mildew and/or poor paint adhesion
see Dirt Pickup and Mildew.

Possible Causes:

Failure to apply a proper primer to hardboard before applying the top coat.

Allowing hardboard siding to weather before being painted.

Solution:

To treat or prevent, apply a quality exterior acrylic latex primer; follow with a coat of high quality exterior acrylic latex paint. The American Hardboard Association recommends two coats of top quality acrylic exterior house paint for best results. Some hardboard grades have adequate factory primer and need only a quality paint applied. Low quality, highly pigmented flat paints are more prone to wax bleed than are higher quality paints.

 
 

 

 

 
 
 
Exterior Paint Problems

 

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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