Also, does anyone actually swap boots seasonally or is that just asking for trouble (and a lot of ladder time)?
I’ve never met anyone who swaps them out with the seasons—sounds like a recipe for a sore back and a few choice words on the ladder. Silicone boots do hold up better in the cold, though. I’ve seen fewer splits on winter inspections, but yeah, they’re pricier. For me, it’s worth it just to avoid mid-February roof gymnastics.
I get the appeal of just installing something that’ll last through all seasons and calling it a day—especially if you’ve ever tried to swap out a vent boot in the middle of winter. Still, I’m not totally convinced that the higher upfront cost of silicone boots is always justified, at least not for every climate or roof type.
I live in the Midwest, so we get the full range: hot summers, freezing winters, and plenty of freeze-thaw cycles. When I bought my house last year, I did a lot of research (probably too much) on vent boots since the inspector flagged one as “nearing end of life.” The roofer I talked to said most people around here just stick with the standard rubber boots and replace them every 8-10 years. He claimed the splits usually show up after a decade, but it’s rarely catastrophic—more like a slow leak that gives you plenty of warning if you’re doing annual checks.
I ended up going with a hybrid boot—EPDM with a UV-resistant coating. It cost less than silicone, and the warranty was still decent (20 years). I figure if I’m up there checking gutters and flashing once or twice a year anyway, I’ll spot any issues before they turn into real problems. Plus, I’m not super comfortable on a ladder, so minimizing trips up there is a priority.
Swapping boots seasonally seems like overkill unless you’ve got some really unique situation—like a low-slope roof that gets buried in snow or crazy temperature swings. For most people, I think picking a quality boot and keeping an eye on it is probably enough. But I get why someone would want to avoid a mid-winter emergency repair...that’s not my idea of fun either.
Curious if anyone’s actually had a silicone boot fail in extreme cold? Or if there’s a specific reason to swap them out more often than the manufacturer recommends? I’m still learning as I go, so maybe there’s something I’m missing.
I get where you’re coming from, but I actually had a standard rubber boot crack way earlier than expected—like, year six.
In my case, I didn’t catch it until water started staining the ceiling. Maybe it was just a bad batch or the way my roof faces the sun, but now I’m leaning toward paying more upfront for silicone just for peace of mind. The hassle of patching drywall after a leak is way worse than swapping out a boot, at least for me.“He claimed the splits usually show up after a decade, but it’s rarely catastrophic—more like a slow leak that gives you plenty of warning if you’re doing annual checks.”
The hassle of patching drywall after a leak is way worse than swapping out a boot, at least for me.
Totally get that. I had a “slow leak” that turned into a full-blown ceiling cave-in during a rainstorm—nothing like buckets in the living room to make you rethink rubber boots. Sun exposure really does a number, especially on south-facing roofs. Silicone’s pricier, but my peace of mind is worth the extra bucks.
Sun exposure really does a number, especially on south-facing roofs. Silicone’s pricier, but my peace of mind is worth the extra bucks.
That’s a good point about sun exposure—UV just chews up most rubber boots over time, and I’ve seen some get brittle and crack within a year or two. I’m always surprised how fast that can happen, especially if you’re in a hotter climate. Silicone definitely holds up better, though I’ll admit the upfront cost can sting.
Have you looked into boots made from recycled rubber or even metal collars? On my last reroof, I went with metal flashings and paired them with a plant-based sealant. It’s not totally maintenance-free, but it’s lasted through three winters without any leaks or weird mold growth. The green options are getting better—sometimes they’re actually cheaper in the long run since you don’t have to swap them out every couple years.
I get the hassle of drywall repair too... Patch jobs never seem to match the texture exactly right, and water stains are just a pain to get rid of. Prevention really is worth it, even if it means spending a little more upfront.