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 DESCRIPTIONUndesirable adhesion between two painted surfaces or between paint and weather stripping. The paint sticks to itself or to the weather stripping when a window or door is opened and usually leaves bare patches of substrate. POSSIBLE CAUSES
SOLUTIONSPaint with an oil-base coating or use a high quality semi-gloss or gloss latex with good block resistance. Remove all loose paint by scraping or other methods, and sand the surface to smooth out any rough edges. Remove all surface contamination by washing with ProClean Professional® Prep Wash Concentrated Cleaner or other appropriate cleaner; rinse thoroughly and allow to dry. Glossy surfaces should be sanded dull. Prime as needed and topcoat. Follow paint label instructions regarding dry times. Application of talcum powder, wax, or soap may temporarily relieve blocking. |