wax bleeding

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Description

Migration of waxy additives used in reconstituted wood products to the surface causing discoloration and possible wetting.

 

 

 

 

Probable Cause

• Exposing the hard board to weather too long before painting.

• Not priming or using an improper primer.

• Dark colors are more prone to wax bleeding because of heat absorption.

• Inadequate paint film thickness.

• Flat paints are more likely to wax bleed.

 

Solutions

• Prevent the wax used in hardboard manufacturing from bleeding by painting new hardboard within 30 days.

• Hardboard siding needs 3 coats: primer and 2 finish coats.

• Use a recommended primer before repainting.

• Wax bleeding avoidance reduces dirt adherence.

 

Primers & Interior Finishes

• Priming is critical for preventing wax bleeding.

• Select a top quality California Paints exterior paint in the color and sheen of your choice.

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