Haha, exactly. Seen this more times than I'd like. Also worth checking if the vent flap outside is stuck closed—birds love nesting there, and suddenly...

Good point about the underlayment—it's easy to overlook. I've seen roofs where the tiles were pristine, but the battens underneath were rotting away q...

The pencil marking trick is clever—wish I'd thought of that a few years ago when I was chasing phantom leaks. I spent weeks convinced I had a fresh le...

Good point about the warranty dates... you'd be surprised how many people overlook that step. Did your neighbor ever get things sorted out, or was he ...