Swapping Out Roof Vent Boots With The Seasons - Worth The Hassle?

I had the same issue with critters - raccoons in my case. Switched to metal boots last fall, and yeah, they’re not winning any beauty contests, but no leaks since. Did you use any sealant around the base, or just rely on the flashing?

Switched to metal boots last fall, and yeah, they’re not winning any beauty contests, but no leaks since. Did you use any sealant around the base, or just rely on the flashing?

I hear you on the looks - metal boots are like the orthopedic shoes of roofing. Not pretty, but they get the job done. I’ve seen way too many critter problems with the rubber ones, especially in areas with raccoons or squirrels. They seem to treat those things like chew toys.

On the sealant question, I’m a bit opinionated. I know some folks just trust the flashing, but I always run a bead of high-quality roofing sealant around the base, especially where the boot meets the shingles. Maybe it’s overkill, but I’ve seen enough water sneak in during wind-driven rain to make me a believer. The flashing does most of the heavy lifting, but that extra layer of sealant is cheap insurance, especially if you’re in a spot that gets a lot of freeze/thaw cycles or sideways rain.

One thing I’ll say, though - don’t go crazy with the goop. Too much sealant can actually trap water and make things worse if it starts to peel. Just a thin, even bead is all you need. And if you’re in a hot climate, make sure whatever you use can handle the heat. Some of the cheaper stuff turns into goo in the summer and just slides off.

I’ve also noticed that metal boots seem to last way longer, but yeah, they’re not exactly subtle. I had a customer paint theirs to match the shingles, which helped a bit, but you’re never going to fool anyone into thinking it’s part of the original roof.

Swapping out boots with the seasons sounds like a hassle, honestly. I’d rather do it once and not think about it for a decade. If you’re already up there, might as well do it right and save yourself the headache later.

Swapping out boots with the seasons sounds like a hassle, honestly. I’d rather do it once and not think about it for a decade.

Yeah, same here. The idea of getting up there every year just to swap boots sounds like a punishment for people who enjoy ladders too much. Did the metal boot/sealant combo on my place last year and haven’t worried since - definitely agree on the “one and done” approach. And painting them to match? Tried it... let’s just say my color-matching skills are questionable at best.

The idea of getting up there every year just to swap boots sounds like a punishment for people who enjoy ladders too much.

That’s exactly how I feel. I tried the seasonal swap thing once after a neighbor swore by it, but honestly, it was more trouble than it was worth. Ended up with a sore back and a couple of cracked shingles. Metal boots with a good bead of sealant have held up through two winters now - no leaks, no fuss. As for painting, mine are still that weird off-silver color... not pretty, but at least I’m not up there every fall.

Metal boots with a good bead of sealant have held up through two winters now - no leaks, no fuss.

Funny thing, I’ve seen those metal boots outlast the roof itself sometimes, but I’ve also run into a couple that started leaking at the seams after three or four freeze-thaw cycles. Around here, rubber boots actually do better if you don’t mind swapping every few years - not every season, but more often than folks expect. Guess it depends on how wild your winters get.

Guess it depends on how wild your winters get.

That’s probably the key right there. I’m in the Midwest, and our winters are all over the place - some years it’s just cold, others we get those crazy freeze-thaw swings every week. I went with rubber boots last fall because I figured they’d flex better with the temp changes, but honestly, I’m already seeing some cracking around the base after just one winter. Maybe I got a bad batch, or maybe it’s just the nature of rubber in this climate.

I’ve heard metal can last longer if you keep up with the sealant, but crawling up there every year to check for leaks isn’t my idea of fun. Plus, my roof’s got a pretty steep pitch, so swapping anything out is a hassle. Has anyone tried those silicone boots? Supposedly they’re more flexible than metal but tougher than rubber... not sure if that’s just marketing or if they actually hold up better through all these temperature swings.

That’s frustrating about the rubber boots cracking already. Midwest winters are just brutal on anything that’s supposed to flex - one day it’s 40 and raining, next day it’s single digits and everything’s frozen solid. I’ve had similar luck with rubber, honestly. Mine lasted maybe two seasons before I noticed splits right where the boot meets the flashing. Not sure if it’s just the freeze-thaw or if UV from the sun is part of it too.

I looked into metal boots a while back, but like you said, the maintenance is a pain. I’m not wild about climbing up there every year either, especially since my roof’s got a weird pitch and it always feels like I’m one slip away from disaster. Plus, metal can get pretty brittle over time if you don’t keep up with the sealant, at least from what a roofer buddy told me.

Haven’t tried silicone boots myself, but a neighbor down the street swapped his out for those last year. He said they were a little pricier up front, but supposedly they’re holding up better so far - no cracks or leaks yet, even after this past winter with all those wild temperature swings. He did mention they were a bit trickier to install since they’re stiffer than rubber, but once they’re on, you kind of forget about them.

It does seem like there’s always a trade-off: easier install and flexibility with rubber, but shorter lifespan; more durability with metal or silicone, but more hassle getting them on (and sometimes more expensive). I guess it comes down to how much you want to mess with it versus just paying a bit more for something that’ll hopefully last longer.

If you do end up trying the silicone ones, I’d be curious how they go for you. I’m tempted to swap mine out next time I’m up there, but I keep putting it off... mostly because I hate heights and my ladder’s seen better days.

- Totally get the “one slip away from disaster” feeling - my roof’s a 10/12 pitch and I swear it gets steeper every year.
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“He did mention they were a bit trickier to install since they’re stiffer than rubber, but once they’re on, you kind of forget about them.”

I hear you on the “forever” claims - nothing seems to last as long as they say, especially with our freeze/thaw cycles. I tried those black rubber ones a few years back and they were already cracking after two summers. Has anyone actually had silicone boots hold up for more than five years in real-world Midwest weather? Or is it just marketing hype? I’m tempted, but not if I’m back up there in a couple seasons anyway...

Has anyone actually had silicone boots hold up for more than five years in real-world Midwest weather? Or is it just marketing hype?

I put silicone boots on my place in central Illinois about six years ago. They’re still hanging in there, but they’ve faded and got a little stiff. No cracks yet, though. Honestly, I’d say they’re better than the black rubber ones, but “forever” is a stretch with our winters. If you hate climbing up there every couple years, they might be worth a shot.

I’m with you - silicone boots definitely outlast the old-school black rubber ones, but “forever” is a big promise, especially around here. I put some on my ranch in southern Wisconsin about five years back. They’re still doing their job, but they look like they’ve seen a few too many winters. Color’s faded, and they’re not as flexible as when I first put them on, but no leaks or cracks yet. That’s more than I can say for the rubber ones, which barely made it three years before splitting.

Honestly, I’d rather deal with a little fading than drag out the ladder every other season. Midwest freeze-thaw cycles are brutal - nothing really lasts as long as the packaging claims. If you’re hoping to never touch your roof again, you’ll probably be disappointed. But if you just want to stretch out the time between replacements, silicone’s worth the extra bucks. Just don’t expect miracles... unless you’ve got a magic roof I don’t know about.

If you’re hoping to never touch your roof again, you’ll probably be disappointed. But if you just want to stretch out the time between replacements, silicone’s worth the extra bucks.

I get the appeal of stretching out replacements, but I’m not convinced the extra cost is always worth it. I’ve got a low-pitch roof and honestly, swapping out the cheaper rubber ones every few years hasn’t been that big a deal - especially since I’m already up there clearing gutters anyway. Is the price jump for silicone really justified if you’re already doing regular maintenance? Maybe for steep or hard-to-reach roofs, but for some of us, the math doesn’t quite add up.

I’m kinda in the same boat - my place has a low-slope roof too, and honestly, I just grab a handful of those basic rubber boots every few years when I’m already up there for leaves and random repairs. Never really felt like the extra spend on silicone was worth it, at least not for my setup. Maybe if I had a two-story or something with crazy angles, but for now, swapping them out hasn’t been much hassle.

Curious though - has anyone noticed the rubber ones breaking down faster in certain climates? I’m in the Midwest and they seem to last 4-5 years before they start cracking. Wondering if folks in hotter spots see them fail quicker, or if it’s about the same everywhere.

Curious though - has anyone noticed the rubber ones breaking down faster in certain climates? I’m in the Midwest and they seem to last 4-5 years before they start cracking.

I’ve seen a lot of those rubber boots go brittle way quicker down south, especially on roofs that get hammered by sun all day. Texas and Arizona, for example, you’re lucky to get three years before they start splitting. Midwest is a bit more forgiving, but even then, UV just eats them up over time. I get why folks stick with the cheap ones, but I’ve seen enough leaks from cracked boots that I’m a little wary. Silicone’s pricey, but it does hold up better if you hate climbing up there every few years.

I’m in the Midwest too and mine cracked after about 5 years, just like you said. I tried one of those “lifetime” rubber boots last time, but honestly, it didn’t last much longer. Has anyone actually had luck with the metal or silicone ones? Wondering if it’s worth the extra cost up front or if they just all end up failing eventually.

I’m in the same boat - Midwest winters just chew up those rubber boots. I tried a silicone one last time, thinking it’d hold up better with all the freeze-thaw cycles, but honestly, it only bought me maybe an extra year or two. The upfront cost was about double what I paid for the standard rubber, so I’m not convinced it was worth it. Haven’t tried metal yet, mostly because I worry about how it’ll handle expansion and contraction on my old asphalt shingles.

Has anyone noticed if the metal ones actually seal well over time? I’ve heard mixed things about leaks around the fasteners, especially after a few seasons of heavy snow. Also, curious if anyone’s insurance ever covered damage from a failed boot - mine didn’t, and that repair bill stung. Wondering if there’s a sweet spot between price and longevity, or if it’s just something we’re stuck replacing every few years no matter what.

I’ve had similar frustrations with the rubber boots - seems like no matter what, the Midwest freeze-thaw just eats them up. I tried a metal flashing boot a couple years back, thinking it’d be a “set it and forget it” solution. It did seem sturdier, but I ran into the same concerns you mentioned: after two winters, I noticed some minor leaks right around the fasteners. I used the recommended neoprene washers and even dabbed some roofing sealant on the screws, but the expansion and contraction must’ve worked things loose over time. My roof’s got a pretty steep pitch, so maybe that played a role too.

Insurance was a dead end for me as well. They called it “maintenance-related,” so I was on the hook for repairs. That stung, especially since the leak went unnoticed for a while and soaked some insulation.

I’ve heard about those “lifetime” synthetic boots - think they’re called DuraFlex or something like that - but haven’t tried them yet. They’re not cheap, but if they really last 20+ years, maybe it’s worth it? Hard to know if that’s just marketing hype or if anyone’s actually gotten that kind of lifespan out of them.

Has anyone tried using a combination - like a metal base with a silicone or synthetic collar? Wondering if mixing materials helps with the movement and sealing issues, or if it just creates new problems down the line. Also curious if anyone’s had luck with regular maintenance - like re-caulking every year - or if that’s just delaying the inevitable.

Has anyone tried using a combination - like a metal base with a silicone or synthetic collar? Wondering if mixing materials helps with the movement and sealing issues, or if it just creates new problems down the line.

I’ve actually gone the hybrid route - metal base with a silicone collar - and it’s held up better than straight rubber, but not perfect. The collar flexes with temp swings, but I still get tiny gaps at the fasteners after a couple seasons. I do a quick check every spring and hit any suspect spots with sealant. It’s not a forever fix, but it’s stretched things out longer than rubber alone. If you’re aiming for “set it and forget it,” though, I’m not convinced anything really delivers in our climate.

If you’re aiming for “set it and forget it,” though, I’m not convinced anything really delivers in our climate.

- Couldn’t agree more - nothing’s truly maintenance-free, especially with our freeze/thaw cycles.
- Metal base + silicone collar is about as good as it gets for now, but yeah, those fastener gaps creep in over time.
- I’ve seen folks try to “over-seal” and just end up trapping moisture, which is a whole new headache.
- Honestly, a quick spring check beats a surprise leak mid-winter. Not glamorous, but it works.
- If anyone ever invents a boot that lasts forever, I’ll be first in line... but I’m not holding my breath.

Yeah, I hear you - every time I think I’ve got the “perfect” boot, something manages to sneak in after a rough winter. Those freeze/thaw cycles just chew up anything that’s not checked regularly. I’ve tried doubling up on sealant before and ended up with more trouble than it was worth... trapped water, rust, you name it. Honestly, a quick look in spring has saved me from way bigger headaches down the line. Not fun, but definitely worth it compared to patching leaks in January.