I hear you on the freeze-thaw cycles—northern Illinois isn’t much different. I used to just leave the old rubber boots on until they basically fell apart, but after a couple surprise leaks in spring, I started paying more attention. Tried those “lifetime” silicone ones too. They looked solid at first, but mine got brittle and faded way faster than I thought they would. Not sure if it’s the sun or just cheap material.
Honestly, swapping them every season sounds like way more work than it’s worth, unless you’re already up there for something else. What’s worked for me is giving them a good look every fall and hitting any cracks with some roof sealant. If they’re really shot, then I’ll swap them out, but otherwise, a little maintenance seems to buy me another year or two.
Critters haven’t been my main problem either—it’s always the weather chewing things up. Maybe it’s just one of those things where nothing lasts forever up here... just gotta stay ahead of it before water gets in and ruins your day.
That’s pretty much been my experience too—weather is the real enemy, not squirrels or raccoons. I’ve seen those “lifetime” boots fail in under five years, especially on south-facing slopes where the sun just cooks them. I think the marketing gets ahead of reality with a lot of those products. Sun, UV, and those wild temp swings up here just break down materials faster than most folks realize.
I get why swapping boots every season sounds overkill. It’s not practical unless you’re already up there for something else, like you said. But I do think people underestimate how fast a tiny crack can turn into a full-blown leak after a rough winter. I’ve seen roofs where one missed split cost thousands in ceiling repairs. Personally, I always recommend checking boots right after the last freeze—spring storms will find any weak spot.
Sealant buys time, but it’s a band-aid if the boot’s already brittle. If you see any daylight around the pipe, swap it out. Nothing up there lasts forever, but catching things early beats dealing with water damage every time.
Sealant buys time, but it’s a band-aid if the boot’s already brittle. If you see any daylight around the pipe, swap it out.
I get where you’re coming from, but I think folks can go a little overboard with the “swap it out at the first sign” approach. I’ve been up on more roofs than I care to count after storms, and honestly, a lot of those boots that look rough still have some life left—especially if you’re using a good quality sealant and keeping an eye on things. Not saying you should ignore obvious cracks or daylight, but sometimes people end up replacing stuff that could’ve lasted another year or two with just a bit of maintenance.
I’ve seen plenty of “lifetime” boots fail early, especially on south-facing slopes like you mentioned. But I’ve also seen some last way longer than expected just because the homeowner did a quick check every spring and fall, hit the seams with some UV-resistant caulk, and made sure debris wasn’t piling up around the vent. It’s not glamorous, but it works.
Swapping boots every season seems like overkill unless you’re in some extreme climate or your roof is already on its last legs. For most folks, regular inspections and spot repairs are enough to avoid the big leaks. I get that one missed split can cost thousands, but honestly, I’ve seen just as many leaks come from flashing issues or clogged gutters as from vent boots.
If you’re already up there for something else—sure, swap it out if it looks bad. But ripping out boots on a schedule just because they “might” fail feels like throwing money and time at a problem that’s usually solved by paying attention and doing small fixes before things get out of hand.
Just my two cents. I’d rather spend an extra half hour checking everything than replacing parts that aren’t done yet.
I’m with you—no sense tossing money at new boots if the old ones are still holding up. Curious, has anyone tried those all-rubber retrofit boots? I’ve got a couple on my place and they seem to handle sun and cold better than the standard ones. Wondering if they’re worth the extra few bucks long-term...
I’ve seen those all-rubber retrofit boots on a handful of roofs lately and, honestly, I was a bit skeptical at first. But after a couple of winters where the old metal-and-rubber combos started cracking on the south-facing slopes, I get the appeal. One house I inspected last fall had switched to them about five years back—no leaks or splitting even with our freeze-thaw cycles. They’re not cheap up front, but if you hate climbing up there every couple seasons, might be worth it. Just double-check they fit snug around the pipe; seen a few folks try to “make it work” and end up with critters getting in...