- That makes sense, but does leaving the foggy panes in place ever cause long-term issues with the frames or sills?
- I get the cost factor, just wondering if waiting too long could end up making repairs pricier down the road.
- Anyone ever tried those defogging services, or is that just a temporary fix?
Yeah, I’ve wondered about that too. I left a couple foggy panes alone for a year or so, and it didn’t seem to mess with the frames much, but I live in a pretty dry area. If there’s moisture trapped in there all the time, though, I could see it eventually causing wood rot or even mold if the seals are really shot. As for those defogging services—tried one once. It cleared up the glass for maybe six months, then the haze crept back. Felt like putting a band-aid on a bigger problem, honestly. Still cheaper than full replacement upfront, but maybe not long-term?
That’s pretty much been my experience too. Defogging is a quick fix, but if the seal’s blown, the moisture finds its way back in sooner or later. In dry climates, you might get away with ignoring it for a while, but where I am—lots of rain—it’s not worth the risk. I’ve seen sills go soft and even a little black mold pop up under the trim after folks left foggy panes too long. If you’re handy, swapping just the glass unit (not the whole window) can be a decent middle ground. Costs less than full replacement and actually fixes the issue for good.
Funny timing—just had my first foggy window show up last month. At first, I thought it was just condensation, but nope… classic seal failure. I did some research and yeah, the defogging kits seemed tempting, but I kept reading that it’s usually just a band-aid. I’m in a pretty humid area too, so leaving it didn’t seem smart. Ended up ordering a replacement IGU (insulated glass unit) instead of a whole new window. Not cheap, but definitely cheaper than full replacement and no more mystery moisture creeping in. Kind of wild how fast the sill can get gross if you ignore it—lesson learned.
That’s the smart move, swapping just the IGU. I’ve run into a lot of homeowners who try those defogging kits and, like you said, it’s really just a temporary fix. In my experience, especially with humid climates, the moisture just keeps coming back. I’ve seen sills rot out surprisingly fast when folks ignore it—
—couldn’t agree more. Replacing the IGU is a bit of an upfront cost, but it’s worth it to avoid bigger headaches down the road.Kind of wild how fast the sill can get gross if you ignore it—lesson learned.
Kind of wild how fast the sill can get gross if you ignore it—lesson learned.
I hear you on that. Years ago, I thought I could just let a foggy window ride until I had more time. Big mistake—by the time I got around to it, the wood under the window was practically mush. Ended up costing way more to fix the rot than just swapping out the glass in the first place.
I tried one of those defogging kits once too. Looked decent for a few months, but then the haze came back and brought a little mold with it. Not worth the hassle, at least in my book.
If I spot fog now, I just bite the bullet and order a new IGU. It’s not cheap, but neither is replacing trim or repainting every couple years. Especially here where humidity is a year-round problem... windows just don’t forgive neglect.
by the time I got around to it, the wood under the window was practically mush.
That’s exactly what happened in my old place. Figured I could just ignore the fog for a season... ended up with warped trim and a musty smell that wouldn’t quit. Never trusted those “miracle” kits either—just seemed like putting off the inevitable. Honestly, swapping the IGU is a pain, but it beats replacing half the window frame later.
Never trusted those “miracle” kits either—just seemed like putting off the inevitable.
Right there with you. Tried one of those kits once—just ended up with a weird patch job and the fog came back anyway. If you catch it early, swapping out the IGU isn’t too bad. Pry off the stops, pop out the old unit, slap in the new one... but you’re right, if you let it slide, you’re looking at swollen sills and maybe even mold. Way easier to deal with glass than rotted wood.
Way easier to deal with glass than rotted wood.
Yeah, totally agree—once the wood goes, you’re in for a much bigger headache. I swapped out two IGUs last winter when I noticed the fog, and honestly, it wasn’t as bad as I thought. The hardest part was tracking down the right size. Anyone else have issues with finding replacements that actually fit? Sometimes I wonder if it’s worth just replacing the whole window, but that gets pricey real quick.
- Ran into the same sizing headache last fall—seems like every window in my place is just a little off-standard.
- Measuring twice helped, but even then, one IGU was a hair too big and I had to trim the stops.
- Full window replacement makes sense if the frames are shot, but if your sashes are solid, swapping just the glass is way easier on the wallet.
- Only downside: matching the tint or low-e coating can be tricky if you care about that.