Prepping Glossy Surfaces for Paint Adhesion: Bond Tests, Sanding Grits, and When Deglossers Fail
Introduction Prepping glossy surfaces for paint adhesion means removing or disrupting the shiny layer and testing the bond before committing—either by sanding, using a chemical deglosser, or combining both with the right primer. You can sometimes skip aggressive sanding if a proper deglosser and an adhesion-promoting primer are compatible with the substrate, but check product […]










