Aethos advice
Why paint keeps peeling
Peeling means a coating has lost its bond to the surface or to an earlier layer of paint. Before repainting, find which layer has failed and why. Another coat will not secure loose material beneath it.
By Aethos Studio · Published
Find the plane of failure
Lift a loose edge carefully and inspect what comes away. Failure between new and old paint suggests a different cause from every layer releasing back to bare plaster, timber or masonry. Testing several areas helps reveal whether the defect is local or systemic.
Look for contamination and weak surfaces
Grease, soap residue, dust, chalking paint and friable filler can all prevent adhesion. Pay particular attention to kitchens, bathrooms and surfaces that are handled often. Clean and assess the surface before choosing a primer. Even a bonding primer needs a sound background.
Check moisture before repainting
Leaks, condensation, damp substrates and repeated exterior wetting can force a coating off or weaken what lies beneath. Decoration should pause if moisture remains active. Paint can form part of a compatible finish once the cause is resolved; it is not a repair for the building defect.
Respect compatibility and drying
Some coatings do not accept a new finish without abrasion or a suitable primer. Heavy coats, insufficient drying and unsuitable application conditions can also weaken the system. The product data and the actual substrate both matter.
Remove back to a reliable edge
Preparation must continue until the remaining coating is well bonded. That may mean a local repair or much wider removal. Feathered edges, sound repairs and the correct primer matter more than making the first preparation pass look quickly complete.
Treat repeated failure as evidence
If the same area peels after more than one redecoration, repeating the same process is unlikely to help. Record its location, weather or room conditions, and the layers involved. Persistent moisture, movement or substrate failure may need a relevant specialist before a decorating specification is offered.
Understand pricing built on proper preparation