I’ve had those tapes peel right off once the temps hit single digits, no matter how well I prepped. Tarp and bricks have saved my living room more than once. Curious—has anyone actually had luck with those spray-on sealants in cold weather? I keep seeing ads but never tried them.
I’ve wondered about those spray-on sealants too, especially after watching those commercials where they patch a boat with it. Real life’s a bit messier though. I gave one of the big-name sprays a shot last winter when I found a slow drip coming through the attic. Temps were probably around 10°F. I’ll say this—it stuck okay at first, but as soon as things got colder and we had a bit of snowmelt, it started to crack and peel. Ended up back out there with the tarp and some bricks, just like you.
From what I’ve seen, those sealants seem to work better when it’s at least above freezing and the surface is really dry. Not always possible in winter. Plus, if there’s any ice or frost left on the spot, forget it—the stuff just won’t bond. I’ve heard folks in milder climates have more luck, but up north here, I’m not convinced.
Honestly, nothing has held up better for me than a heavy-duty tarp, some decent weights, and then just waiting for a proper patch job once the weather cooperates. I tried the tape route too and had the same problem—turns brittle and peels right off once you get that deep freeze. If your roof’s super steep, I’d just be careful walking up there with anything in winter...slippery as heck.
One trick a neighbor swears by is using a layer of old towels under the tarp to help catch any sneaky drips before they make it inside. Not exactly high-tech, but it saved my hardwood floors during that polar vortex a couple years back.
If anyone’s found a cold-weather sealant that actually survives a Midwest winter, I’d love to hear about it. For now, I’m still team tarp-and-wait-it-out.
If anyone’s found a cold-weather sealant that actually survives a Midwest winter, I’d love to hear about it. For now, I’m still team tarp-and-wait-it-out.
Haven’t seen a spray or tape that holds up once you get those deep freezes either. Most of the “miracle” stuff just can’t flex enough when temps swing or ice forms underneath. I’ve had better luck with roof cement (the thick, tar-like stuff) if you can catch a rare above-freezing day, but even then it’s just a stopgap. Tarp and towels are about as good as it gets until spring—just gotta keep an eye out for pooling water so you don’t end up with saggy drywall too.
- Tarp-and-wait is honestly the only thing that’s never failed me in a deep freeze.
- I’ve tried the “flex” sprays and tapes—most just peel off or crack after a week of real cold.
- Roof cement does help if you get a warm spell, but it’s messy and not a long-term fix.
- One winter, I tried using heat cables to keep ice from building up near the leak. Helped a bit, but not a cure-all.
- Anyone ever mess with those temporary roof patch kits? Curious if they’re any better than the usual hardware store stuff...
Tried one of those patch kits last month when a mystery drip started in my attic—right after I’d finally unpacked my last moving box, of course. The kit was basically a sticky sheet and some goop. It held up for about two weeks, but then we got a cold snap and it peeled right off. If you’re desperate, it’ll buy you a little time, but honestly, nothing beats the classic blue tarp and a bunch of bricks. Just don’t expect miracles from the patch kits if your roof’s doing its best Titanic impression.