once that freeze-thaw hits, it’s game over.
That’s been my experience too. I’ve got a couple buildings with older asphalt shingles, and every winter it’s the same story—sealant holds for a bit, then the cracks open right back up. I get why folks try to stretch things out, but honestly, after factoring in labor and callbacks, ripping out the worst spots ends up cheaper long-term. Composite’s not cheap, but neither is chasing leaks every spring...
I’m in the same boat with an older roof—mine’s about 18 years old, asphalt shingles, and I keep finding little cracks every spring. I tried using a tube of roof sealant last year on a couple spots, but honestly, it didn’t seem to do much once we got those wild temperature swings. Maybe it slowed things down for a few months, but by February I was back up there patching again.
Is it just the age of the shingles that makes sealant kind of pointless? Or is there some trick to getting it to actually stick through winter? I’ve heard some folks say you need to wait for a stretch of dry weather, but that’s not always easy where I live (lots of rain and freeze-thaw). Also, has anyone tried those shingle repair tapes? Curious if they hold up any better or if it’s just another temporary fix...
Eighteen years is getting up there for asphalt, especially with all the freeze-thaw cycles. In my experience, sealant’s really just a stopgap once shingles start cracking—kind of like putting a band-aid on a leaky boat. I’ve tried those repair tapes too, and they’ll hold for a season or two if you get lucky with dry weather, but honestly, nothing really sticks long-term once the shingles are brittle. Ever notice the cracks just pop up somewhere else next time? At some point, it’s just chasing leaks until you bite the bullet on a new roof.
I get the frustration—my place is pushing 17 years and I’m in the same boat. Tried slapping some sealant on a few cracked shingles last spring, and yeah, it slowed the leak for a bit, but after the first real freeze, new cracks showed up a couple feet away. I keep wondering if it’s worth patching at all, or if I’m just throwing money at a lost cause. Has anyone actually managed to stretch a roof past 20 years with just spot repairs, or is that just wishful thinking?
Sealant can buy you a little time, but once shingles start cracking in multiple spots, it’s usually a sign the roof’s reached the end of its service life. I’ve patched roofs for folks hoping to squeeze out another year or two, but honestly, after 18-20 years—especially with freeze-thaw cycles—it’s often just chasing leaks around. Sometimes you get lucky with a mild winter, but most of the time, new trouble pops up somewhere else. If you’re seeing widespread cracks, it might be time to weigh the cost of constant repairs against replacement.