galvanized metal peeling

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Description

It is an adhesion loss of the paint due to inadequate surface preparation.

 

 

 

 

Probable Cause

• Usually no or improper priming.

• Improper surface prep or choice of paint.

• Not removing rust, oil and other matter.

• Not deglossing baked enamel finishes.

• Painting too soon after cleaning galvanized surface.

• Galvanized metal is very alkaline until weathered.

 

Solutions

• Remove all rust, loose paint and other particles.

• All dust must be rinsed or wiped away.

• Allow galvanized to weather prior to coating.

• Apply an acrylic corrosion-resistant primer.

• New galvanized must be primed with and acrylic corrosion-resistant primer of the finish coat is oil base or vinyl latex.

 

Primers & Interior Finishes

• Bare or new galvanized metal needs aggressive cleaning with mineral spirits prior to using a galvanized primer.

• Priming is essential for better adhesion, sheen uniformity, mildew control and durability.

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

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