Peeling paint needs a cause check
Peeling can have more than one cause. Preparation, the existing base, moisture and application conditions may all need consideration. A new topcoat alone does not establish which issue occurred.
Sherwin-Williams preparation guidance and application guidance explain why the base and conditions matter. Ask the contractor what they have observed and what remains uncertain before agreeing to cover the surface.
Describe where the failure appears
Make a short record: inside or outside, which room or elevation, how long it has been visible, and whether it returned after an earlier repaint. Note any nearby stain or known leak without assuming it proves the cause.
Describe what you see from safe access. You do not need to scrape, climb or remove material to submit an enquiry. An onsite assessment can determine the appropriate next step.

Compare a patch with a wider repaint
A localized repair may suit an isolated area with sound surrounding coating. Wider failure can call for broader preparation and repainting to a sensible boundary.
The appearance matters too. A small patch can stand out against an aged wall even when the new paint color is close. Ask the painter to explain both the condition boundary and the proposed visual stopping point.
Know when painting must wait
Unresolved moisture or damaged material may need another trade before painting proceeds. Record who will investigate, what must be resolved and how the painter will confirm readiness.
If the work will disturb older painted surfaces, review EPA’s pre-1978 renovation guidance with an appropriately certified firm. The age threshold is a reason to check, not proof that a particular coating contains lead.
Request help with peeling paint and describe the surface and location.