Definitely looks like a seal failure. The seal is broken which is causing the cloudy glass. If the glass is not under warranty you should be able to contact a local glass company to do the repair fo ... read more
Michael,
Eric pretty much nailed it.
It is not usually worth it in my opinion and especially given the nature of most leaks and the condition of most sheathing.
Roofs aren't cheap so I think the mat ... read more