Paint has leaked behind glazing in front door

[alan_m]

Brian, the door is wood of dubious quality (many deep cracks) with a sealed double glazed panel in the top half. The method of fitting is wooden beading or glazing bar at one side, then the sealed unit and wooden beading on the other side. The sealed double glazed panel has not been compromised. The light grey undercoat paint has run, or has been pulled down by capillary action, between the wooden beading and the outside surface of the glass.

The lack of a seal seems to be between the sealed DG unit and the wood beading and as others have indicated rain water will run down the window and into the glass beading join.

[Martin Brown]

But it *hasn't* got inside the unit. It is on the outer surface.

The paint is on the outer surface of the sealed unit between the wooden beading and the *outer* surface of the glass - wicked into the narrow gap by capillary attraction. Visible because the glass is clear.