Heavy-duty tarps are definitely the go-to for emergencies, but I’ve seen even those fail if the wind gets under them. Securing the edges with 2x4s or bricks helps, but if you can, try to run the tarp over the ridge of the roof instead of just covering the leak—gravity and water always find a way in if it’s just draped flat. I’ve never had much luck with spray sealants either, especially on older shingles or in hot weather. They’re more of a temporary patch than a real fix. Honestly, sometimes the “ugly tarp” is the only thing that buys you time until a proper repair.
Honestly, sometimes the “ugly tarp” is the only thing that buys you time until a proper repair.
That’s been my experience too, especially after last spring’s storms. I tried one of those “miracle” spray sealants on a cracked shingle—looked promising for about a week, then the next big rain just washed it right out. Maybe it works better on newer roofs, but with old asphalt like mine, it was just money down the drain.
Running the tarp over the ridge makes a difference, no question. I used to just slap it over the leak, but water always found a way in at the edges. The 2x4 trick helps, but only if you can get up there safely (which isn’t always possible in a storm). I do wish there was a less ugly solution, but at least tarps are cheap and easy to find.
Curious if anyone’s had luck with those self-adhesive flashing tapes? I’ve seen them recommended for quick patches, but I’m skeptical they’d hold up in real weather.
- Tarp’s definitely the go-to in a pinch, but I’ve seen folks rely on them for way longer than they should. They’re not really meant to last more than a couple weeks—UV eats right through the plastic, and wind will work any loose spot.
- Spray sealants... I’m with you. Maybe on a flat roof or a spot that’s bone dry and prepped right, but on old shingles? Usually just a bandaid, and not a great one.
- Self-adhesive flashing tape actually has its place, but it’s hit or miss. Works better if you can get it under the shingle and onto clean, dry wood. On top of granulated shingles, it rarely sticks for long, especially in heat or heavy rain.
- Fastest “ugly but works” I’ve seen: heavy tarp, full ridge-to-eave, anchored with 2x4s screwed right into the decking. Not pretty, but less water gets in.
- If you’re dealing with repeated leaks, it might be worth looking at peel-and-stick underlayment as a semi-temporary fix. Costs more, but holds up better than tapes or sprays—just a pain to install if you’re not tearing off shingles.
I get why everyone wants a fix that isn’t an eyesore, but sometimes ugly is the only thing standing between you and a ruined ceiling...
I get the “ugly but works” approach, but I actually had decent luck with spray sealant last fall—maybe I just got lucky with timing and weather. My roof’s not ancient (about 12 years old, asphalt shingles), and I hit a small leak right after a dry spell. Cleaned the area, sprayed two coats, and it held up for a couple months until I could get someone out to do a proper patch. Not saying it’s perfect, but if you’re in a bind and can catch it dry, it might buy you some time without the full tarp-and-2x4s look. Just my two cents...
- That’s actually reassuring to hear—I’ve been eyeing those spray sealants but wasn’t sure if they’d hold up for more than a week or two.
- My place is about the same age, also asphalt, and I had a leak last winter. Ended up going the tarp route because I panicked and it looked like a blue sail for a month.
- Honestly, if spray can buy a couple months, that’s way less hassle. Might try it next time if I catch the weather right.
- Stuff like this makes me feel less alone in figuring out quick fixes... roofs always seem to spring leaks at the worst times.