I hear you on the low-slope section—mine’s a magnet for snow and ice too. I tried those “lifetime” silicone boots last time, but honestly, they still started cracking after a few seasons. I think the combo of sun and standing water just eats them up. Insulation helped with ice dams here as well, but I’m still swapping boots more than I’d like. At this point, I’m half tempted to just flash everything in metal and call it a day...
At this point, I’m half tempted to just flash everything in metal and call it a day...
I totally get the temptation. I went with metal flashing around my vents last year after getting tired of swapping out cracked boots every spring. It’s not a magic bullet—still have to check for rust—but it’s held up better through the freeze/thaw cycles. If you’re handy with a caulk gun and don’t mind a little extra upfront work, it might save you some headaches down the road.
It’s not a magic bullet—still have to check for rust—but it’s held up better through the freeze/thaw cycles.
That’s been my experience too. Metal flashing definitely outlasts most rubber boots, especially in areas with big temperature swings. One thing I’ve noticed, though, is that if the metal isn’t properly sealed at the seams or around fasteners, you can get slow leaks that are tough to spot until there’s interior damage. Have you tried any of the newer flexible flashing materials? I’ve seen some hybrid options that claim to combine durability with a better seal, but I haven’t tested them on a full roof yet.
I’ve actually messed around with one of those flexible flashing tapes on a shed roof—kind of a rubberized aluminum thing. It went on easy and seemed to seal up well, but I’m not convinced it’ll hold up long term in our wild Midwest weather. Curious if anyone’s seen how those hybrids fare after a few years? I always end up back at metal for peace of mind, but maybe I’m just old school.
I always end up back at metal for peace of mind, but maybe I’m just old school.
- Totally get where you’re coming from. I’ve been tempted by the cheaper, easier options too.
- Tried that same rubberized tape (I think it was called “Flex-something”) on my chicken coop roof last year. Looked solid at first, but after one summer and a rough winter, the edges started peeling up. Not a total fail, but not what I’d call permanent.
- Midwest weather is brutal—wind, ice, hail. Hard to trust anything that feels like a sticker.
- Metal’s pricey upfront, but I keep coming back to it for anything that matters (main roof, garage). The peace of mind is real, especially when you hear those spring storms rolling in.
- For sheds or outbuildings, though, I’ll admit I’m willing to risk the “hybrids” just to save a buck. If it fails, it’s not a disaster...just more work.
- Kind of wish there was a middle ground—something cheaper than full metal but tougher than tape. Haven’t found it yet.
- If you do stick with tape, I’d check it every spring and fall. Once water gets under there, it’s game over.
Not sure if it’s old school or just practical. Sometimes spending more up front really does pay off in the long run...especially with Midwest weather doing its thing.