ROOF SURVIVED HURRICANE, BUT WAS IT JUST LUCK?

the difference is usually in the details you can’t see from the ground.

I keep hearing that and honestly, it checks out. Quick question - how often do you actually check under the flashing or look at the rafter spacing? I’ve noticed some older roofs have weird gaps but still hold up. Is it just better wood back then or what?

I’ve noticed some older roofs have weird gaps but still hold up. Is it just better wood back then or what?

That’s something I’ve wondered too. Is it the old-growth lumber, or maybe just overbuilt framing? Also, has anyone looked at how ventilation plays into this? I see a lot of older roofs with odd vent setups, but they seem to avoid rot somehow...

I see a lot of older roofs with odd vent setups, but they seem to avoid rot somehow...

That’s wild, right? My neighbor’s 1950s ranch has these random gable vents and barely any soffit vents, yet his attic’s bone dry. Meanwhile, my “modern” roof needed extra ridge venting to stop mold. Maybe the old houses just breathe better? Or maybe it’s the lack of insulation back then letting heat escape. Anyone else notice if insulation type makes a difference?

I see this all the time - older houses with those random gable vents, barely any insulation, and somehow the attic’s always dry. Meanwhile, newer builds get all buttoned up with insulation and fancy venting, and suddenly you’re fighting mold. I think a lot of it is that old homes just leaked air everywhere, so moisture never really built up. Not exactly energy efficient, but it did keep the wood from rotting. Once you add modern insulation and tighter sealing, you really have to get the venting dialed in or you’re asking for trouble. It’s kind of a balancing act, honestly.

I get what you’re saying about old houses “leaking air everywhere,” but I’m not convinced that’s always a good thing, especially in hurricane zones. Sure, the wood might stay dry, but all that uncontrolled airflow can actually pull in moisture during storms, not to mention dust and pests. Plus, when you say,

“Once you add modern insulation and tighter sealing, you really have to get the venting dialed in or you’re asking for trouble.”

I’ve definitely seen what you’re talking about - some older homes seem to “breathe” a bit too much, and in hurricane country, that can mean more headaches than benefits. You’re right, uncontrolled airflow isn’t always your friend. I’ve inspected plenty of attics where the air leaks just pull in salt spray, bugs, and even bits of insulation during a storm. It’s not pretty.

You make a good point about venting being more about design than just the insulation itself. When a builder actually takes the time to balance ridge and soffit vents, you can really tell the difference. I’ve seen newer roofs in my area (Gulf Coast) handle back-to-back storms with barely any moisture issues, just because the venting was dialed in right from the start.

But yeah, I still come across jobs where someone just sticks a couple of box vents up there and calls it a day...and then the homeowner wonders why they’ve got mold or soggy decking. It’s wild how much that “whole system” approach matters, especially once you start tightening things up with modern materials.

It’s wild how much that “whole system” approach matters, especially once you start tightening things up with modern materials.

That really hits home for me. When we bought our place last year (built in the late 80s), I figured the roof was “fine” since it survived a couple hurricanes before we moved in. But after living through my first big storm, I noticed some weird musty smells and found a patch of soggy insulation in the attic. Turns out, whoever did the last re-roof just slapped on some box vents and called it good - no real thought to airflow or moisture.

I used to think a roof was just shingles and nails, but now I get why folks say it’s a whole system. We had someone come out and add proper soffit vents and fix up the ridge vent, and it’s made a huge difference. No more damp spots or weird drafts.

I guess luck plays a part sometimes, but after seeing what can go wrong, I’m way more convinced that good design is what keeps things dry in the long run. It’s not always obvious until you’re living with the results...

Yeah, I used to think a roof was just about keeping rain out too, but once you start poking around in the attic, it’s wild how much airflow and insulation matter. I’ve seen a few “quick fix” vent jobs that ended up causing more trouble than they solved. Sometimes it’s not obvious until you get that musty smell or see the insulation all clumped up. Glad you got it sorted - proper vents make a world of difference, especially in humid spots.

- I get the point about vents, but honestly, I’ve seen cases where too much venting actually made things worse - especially in hurricane zones.
- Sometimes, extra vents can let in wind-driven rain or even cause shingles to lift if they’re not installed right.
- Had a neighbor who added more roof vents thinking it’d help with heat, but after a big storm, water got in through the new openings.
- For me, it’s always been about balancing airflow with weatherproofing. Not every house needs more vents - sometimes sealing up old ones and focusing on insulation does more good.
- Just my two cents... every roof and climate seems to need its own approach.

That’s an interesting point about more vents sometimes backfiring, especially in hurricane-prone areas. I’ve seen similar situations - folks assume more airflow is always better, but if the venting isn’t hurricane-rated or properly flashed, it can be a weak spot. I’m curious, has anyone here tried those newer low-profile or hurricane-resistant vents? Do they actually hold up when the wind really picks up, or is it just marketing hype?

Also, for those who’ve sealed up old vents instead of adding new ones, did you notice any difference in attic temps or moisture? I’ve always wondered if closing off too many could lead to other problems down the line, like mold or shingle wear. It seems like there’s always a tradeoff - stay watertight or risk poor ventilation. Is there a sweet spot, or is it just trial and error based on your roof and local weather?

It seems like there’s always a tradeoff - stay watertight or risk poor ventilation. Is there a sweet spot, or is it just trial and error based on your roof and local weather?

I get where you’re coming from, but I think the “sweet spot” isn’t as much trial and error as people make it out to be. There are formulas for vent area based on attic size, and if you stick to those (and use hurricane-rated vents), you can usually avoid most issues. The problem is, a lot of older homes have a mishmash of vent types, or stuff gets added over the years without a plan.

About those low-profile hurricane vents - I've seen them hold up in some pretty nasty storms here in the Gulf. They’re not just hype, but they only work if installed right. If the flashing isn’t solid or they’re not sealed properly, water still finds a way in.

Sealing up old vents can help with leaks, but yeah, you might see attic temps creep up unless you’ve got enough intake/exhaust elsewhere. I’ve seen mold pop up when people go overboard with sealing everything tight. It’s all about balance... and making sure whatever vents you do have are actually doing their job.

That balance is trickier than folks think. I’ve seen plenty of “sealed tight” attics in South Florida turn into saunas after a hurricane patch-up - next thing you know, you’re dealing with warped decking or even black mold. But yeah, those hurricane vents are legit if the installer knows what they’re doing. I once crawled up into a 60s ranch after Irma and found three different vent styles, half of them rusted through. No wonder water got in. Sometimes it’s not luck, just layers of bad decisions over the years...

Yeah, I’ve seen that “sealed up tight” approach backfire too, especially down here where the humidity’s relentless. Folks think if they just close everything off, they’re safe from water, but then you get zero airflow and the attic turns into a petri dish. I’m always surprised how many older homes have a Frankenstein mix of vents - like someone just added whatever was on sale at the hardware store over the years. Not sure it’s ever really luck when a roof survives; more like a combo of past choices and maybe some good fortune with wind direction.

I’m curious if anyone’s tried swapping out old metal vents for those newer low-profile ridge vents? I’ve heard they help with both water intrusion and heat buildup, but I haven’t seen them much in hurricane zones yet. Green roofs are another thing I wish we saw more of here, but I get that weight and cost are big hurdles. Still, better ventilation and smarter materials seem like the way to go if you want your roof to last more than one storm cycle...

RIDGE VENTS IN HURRICANE COUNTRY - WORTH IT?

I’ve swapped out a handful of those old-school metal box vents for ridge vents over the past couple years, mostly on re-roofs after storm damage. Down here on the Gulf, you’d think everyone would be all over the low-profile stuff, but honestly, most folks are still a bit skeptical. I get it - those old metal vents look tough, but they’re also the first thing to go flying when the wind picks up. I’ve seen more than one land in a neighbor’s yard after a big blow.

The ridge vents I’ve installed (usually the shingle-over kind) seem to hold up better, at least in my experience. The trick is making sure they’re installed right - if you skimp on the fasteners or don’t use the right sealant, water will find its way in, especially with sideways rain. I did one last summer where we used a high-wind rated vent and paired it with baffles underneath, and that attic’s been bone dry so far. Heat buildup’s way down too. But I’ll admit, I’m still watching it every storm season just in case.

Green roofs sound awesome in theory, but I’ve only ever seen one around here and it was on a new build with a reinforced structure. Most of these older houses would need serious upgrades to handle the extra weight. Plus, maintenance is no joke - one client tried DIY-ing a “living roof” on his shed and ended up with a mosquito farm.

I’m with you on the Frankenstein vent situation. Some of these attics look like someone just kept adding whatever vent was cheapest at the time - no real plan. If you’re thinking about making changes, I’d say pick one system and stick with it. Mixing and matching just seems to make things worse.

Luck definitely plays a part, but good prep and smart materials make a difference. After seeing what survived last hurricane season, I’d take a well-installed ridge vent over those rusty old boxes any day.

- Agree on ridge vents holding up better - my shingle-over one stayed put through two hurricanes, while my neighbor’s box vents scattered like confetti.
- Install quality matters. I paid extra for stainless fasteners and a proper seal. No leaks yet, even with sideways rain.
- Not sold on green roofs here either. Too much upkeep, and the humidity just makes it worse.
- Frankenstein vent setups are a nightmare. Had to rip out three different vent types when I bought this place... attic was a sauna.
- Luck helps, but good prep and sticking to one vent system seems to make all the difference.

Couldn’t agree more about install quality making the difference. I did the same - paid up for stainless and took my time with the flashing.

“Frankenstein vent setups are a nightmare.”

“Frankenstein vent setups are a nightmare.”

That’s the truth. I spent a weekend untangling a weird patchwork of old roof jacks and vents on my last project... nothing lined up. It’s wild how much difference proper venting and flashing can make - especially when storms hit. Stainless is pricey, but I’ve seen too many cheap vents rust out in just a few years. Prep like you described isn’t luck, it’s what keeps things together when the weather gets rough.

I hear you on the stainless - my wallet hates it, but I’d rather pay up front than deal with leaks every rainy season. I had a patchwork of aluminum and plastic vents on my old place, and after one bad storm, half of them were rattling around the yard. The guy before me must’ve just grabbed whatever was on sale at the hardware store.

Honestly, I’m still not sure if my current roof held up last hurricane because of the prep or just dumb luck. I did all the flashing and sealed everything, but there’s always that nagging feeling something got missed. Anyone else ever find a “surprise” leak months after a big storm? Or is that just me being paranoid?

Curious if anyone’s tried those newer low-profile vents - they look slick, but I wonder if they actually hold up better in high winds or if it’s just marketing.

Honestly, I’m still not sure if my current roof held up last hurricane because of the prep or just dumb luck. I did all the flashing and sealed everything, but there’s always that nagging feeling something got missed. Anyone else ever find a “surprise” leak months after a big storm? Or is that just me being paranoid?

You’re definitely not alone with that “did I miss something?” feeling. I patched up my own roof last year - just a regular shingle job, nothing fancy - and after a few big storms, everything seemed fine. Then about four months later, I found this weird water stain in the guest room closet. Turns out, water had snuck in somewhere along the ridge vent and slowly dripped down behind the drywall. Didn’t even notice until it started smelling musty. So yeah, leaks can be sneaky like that.

I get what you mean about stainless hurting the wallet upfront. When I was shopping around, I kept thinking maybe aluminum would be “good enough,” but after seeing how banged up my neighbor’s vents got during that last nor’easter (and him cursing while chasing them across his yard), I bit the bullet for stainless too. The price stings but it’s less hassle long-term... at least that’s what I keep telling myself.

About those low-profile vents: I looked into them when redoing my roof and honestly, mixed reviews. They do look cleaner and supposedly catch less wind, but some folks on other forums mentioned issues with debris getting stuck or not venting as well in humid climates (I’m in coastal NC). My roofer said they’re fine if you don’t have tons of tree gunk or pine needles blowing around, but if you do, they can clog up faster than the old-school ones.

If you’re worried about hidden leaks, one thing that helped me was checking the attic right after heavy rain - even just poking around with a flashlight for damp spots or weird smells. Not exactly high-tech, but it caught mine before it got worse.

Anyway, sometimes it really does feel like luck plays a part no matter how much prep you do... but at least you’re ahead of the game compared to whoever slapped together your old place with bargain-bin hardware.

If you’re worried about hidden leaks, one thing that helped me was checking the attic right after heavy rain - even just poking around with a flashlight for damp spots or weird smells.

That’s honestly the best low-tech trick. I’ve seen leaks show up months later, especially around chimneys or valleys where flashing gets tricky. Sometimes it’s not paranoia - water finds the weirdest paths. Even with solid prep, there’s always a wildcard.