Good points about the washers—I think that's often overlooked. I've noticed the same thing on roofs I've assessed after storms. Usually, the screws th...

Twice a year is a solid baseline, but you're right—timing can be tricky. I've seen plenty of gutters damaged because folks waited just a bit too long ...

I've seen similar cases myself—especially when attic spaces aren't vented evenly. Sometimes the issue isn't even directly above the drip spot. Moistur...