Why is the paint peeling off wall when rolling?

The wall looked fine before I started, so I’m confused why the new paint is pulling it off underneath

Asked by Michael on 3rd Mar 2026
Expert Trade Answers
"I would assume poor preparation is the cause. Contaminants on the surface also different paint types can cause this so proper preparation is even more vital."
Answered on 3rd Mar 2026 - Member since Mar 2025 - report
"Could be a number of things damp, distemper try zinsser aqua guard first then paint as normal"
Answered on 3rd Mar 2026 - Member since Apr 2024 - report
"because the new, wet paint is re-activating or pulling away old, loosely adhered paint, or because of a fundamental issue with the surface preparation or moisture."
Answered on 3rd Mar 2026 - Member since Aug 2016 - report
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