We recently replaced our windows too (not Kolbe, but still a pretty solid brand), and I was honestly surprised by the difference. Before we upgraded, ...

I get where you're coming from, but I'm not totally convinced it's always a lost cause. When we moved into our first place, we had a couple windows th...

Interesting points—I haven't had fiberglass yet, but your experience makes me curious. We went with vinyl windows last year (mostly for budget reasons...

I've actually used silicone caulk on a couple of my windows last summer, and honestly, it's held up surprisingly well so far. Way easier to smooth out...