I've had a similar experience—ended up with bubbles all over the place after welding in direct sun. From what I saw, the bubbles shrank a bit once thi...

Yeah, foam weatherstripping definitely helps—I learned that the hard way too. Did you notice any difference in noise levels after installing the fan? ...

I've had similar doubts about Flex Seal myself. It seems handy for quick patches, but long-term durability—especially through harsh winters—is a diffe...

Good points about thermal expansion—did you find the neoprene washers held up well over time? I've heard mixed things about their longevity, especiall...