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PEELING:
Loss of paint due to poor adhesion. Where there is a primer and top coat, or multiple coats of paint, peeling may involve some or all coats.
POSSIBLE CAUSES:
Seepage of moisture through unsealed joints, worn sealant or leaks in roof or walls.
Excess moisture escaping through the exterior walls (more likely if paint is solvent-based).
Inadequate surface preparation.
Use of lower quality paint.
Applying a solvent-based paint over a wet surface.
Earlier blistering of paint (see Blistering).
SOLUTION:
Try to identify and eliminate source of moisture. Prepare surface by removing all loose paint with scraper or stiff wire brush, sand rough edges, and apply appropriate primer. Repaint with a top quality acrylic water-based exterior paint for best adhesion and water resistance.
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