Insufficient Adhesion

Symptoms

The coating adheres insufficiently to the substrate or previous coats.

Cause

Unsuitable primer applied Wrong product Damp substrate during painting Contaminated substrate (not cleaned or degreased) Weathered timber not removed before coating Previous Coating Unstable Solution

Coating layers that are not sound should be removed. Substrate problem should be addressed (cleaning, degreasing, sanding etc.). Apply a new, suitable coating system.