- Been there with the chunky trim idea. In my 1960s split-level, I thought “bigger is better” would hide the wavy bits… but the trim just made the wal...

- Totally agree, that film is a lifesaver in a pinch but it’s not exactly subtle. - Tried foam tape too—works okay for a season, but mine peeled off...

Good points, fiberglass definitely seems more stable overall. A few years back, I installed vinyl windows at our cabin, and yeah, those creepy creaks ...

Couldn't agree more—window film surprised me too. One thing I'd add is checking your exhaust fans, especially in bathrooms and kitchens. I found mine ...

- Good points above, but just wondering...is the warping on vinyl windows mostly cosmetic or does it affect performance too? - I've had fiberglass for...