I've seen this a lot too, and you're spot-on about the humidity issue. Those film kits do wonders for drafts, but condensation is tricky because you'r...

Good points about vinyl and fiberglass. I've done a fair share of coastal installs myself, and honestly, I've seen fiberglass hold up pretty well too—...

I've seen both types hold up great over the years, honestly. Tilt windows are awesome for cleaning, but sliders are just straightforward and reliable....

Yeah, polyurethane usually does the trick nicely. I've seen people also lightly sand the frames first to remove any loose bits before sealing—it reall...