Adhesion
How well a coating holds to the surface beneath it, whether that surface is bare material, a repair, or an existing coating.
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How well a coating holds to the surface beneath it, whether that surface is bare material, a repair, or an existing coating.
Problem
Technique
6 entries for “Adhesion”
Painting over it does not restore adhesion.
See Choosing the Right Primer for the distinction between stain blocking and bonding.
Manufacturer directionBenjamin Moore describes blocking as painted surfaces sticking when pressed together before the finish has dried and cured sufficiently.
Look for stains, checking, peeling, and physical damage. Identify dirt, debris, or contamination that must be removed. Material between the surface and the next coating can interfere with adhesion and contribute to later peeling.
New paint cannot restore the bond of a detached old layer.
Cleaning needed for repair adhesion comes before the repair; remove repair dust afterward.
Manufacturer directionHeavier texture needs particular attention to suitability and adhesion.
Only after investigating other likely causes should widespread, gradual release at the original coating-to-wood bond be attributed to age-related failure.
If inspection finds peeling, loss of adhesion, water damage, or another failing condition, address that problem before applying these corrective coats.
Filed under Problem: Drywall dust contamination