Prepping is a pain too, since getting every bit of moisture out is easier said than done.
That’s the part that always gets me. It’s like no matter how many towels or hairdryers I try, there’s always some stubborn dampness hiding in the frame. I swear, half the battle with these kits is just making sure you don’t trap any moisture under the resin—otherwise you’re looking at foggy patches down the road and then what was the point?
I will say though, compared to swapping out an entire window (especially with older wood frames), it’s worth wrestling with the prep work. The energy savings alone from keeping a tight seal make a huge difference over time, especially if your heating bill looks anything like mine in winter.
Funny thing, last fall I tried one of those kits on a bathroom window... wasn’t perfect, but it held up better than I expected. Maybe it’s not “magic,” but for folks who care about efficiency and saving a buck, it’s hard to argue with the results when it works. Just wish they’d make that prep process a little more forgiving.
I’ve run into the same issue with moisture sneaking in, especially on cold mornings when condensation just won’t quit. I’ve tried leaving a fan pointed at the window for a couple hours before starting, which seemed to help a bit—definitely less fogging later. Still, it’s never perfect. I get what you mean about the tradeoff, though. Replacing an old wood window is way more hassle and cost than fighting with a little prep work. If only they’d invent a kit that worked even if things aren’t bone dry... maybe someday.
That moisture battle is real. I’ve got a 1950s place with original windows, and winter mornings can feel like a science experiment—condensation everywhere, no matter how many towels or fans I throw at it. I totally agree, swapping out old wood windows is a wallet punch and honestly, I kind of like the character they bring (even if they’re a bit high-maintenance).
I tried one of those crack repair kits last year. It worked decently, but only after I left a dehumidifier running overnight. If there’s even a hint of dampness, the sealant just doesn’t want to cooperate—like it’s holding a grudge or something. The “bone dry” requirement feels like wishful thinking half the time.
Honestly, I wish these kits were more forgiving about moisture too. Until then, it’s all about creative prep—fans, rice bags, maybe even a hair dryer if I’m feeling desperate. Not perfect, but way less stressful than getting quotes for full replacements.