Would you worry about lightning if your house had a metal roof?

Funny you mention the fasteners - I've seen more issues crop up from those than anything else on metal roofs. Had a client last year who thought he had a major leak, turned out it was just a couple of loose screws letting water sneak in during sideways rain. Ever had to re-tighten or replace any yet? I always wonder if folks keep up with that maintenance or just wait until there's a problem.

Had a client last year who thought he had a major leak, turned out it was just a couple of loose screws letting water sneak in during sideways rain.

That’s a classic. I’ve seen plenty of folks panic over what they think is a big roof failure, only to find it’s just a handful of fasteners that have backed out over time. But honestly, I don’t see fastener issues as the main headache with metal roofs - at least not compared to what I’ve run into with shingle blow-offs or flashing failures. Maybe it’s the climate here (lots of freeze/thaw), but I’ve found the seams and penetrations are more likely to be trouble spots than the screws themselves.

I do agree, though, most people don’t touch their roof until there’s a problem. I’ve crawled up on 10-year-old metal roofs where not a single screw’s been checked since install. Sometimes they’re fine, sometimes you find a few spinning loose. It’s hit or miss. Personally, I’d rather see folks do a quick check every couple years instead of waiting for water stains on the ceiling... but I get why most don’t bother until something goes wrong. Out of sight, out of mind, right?

Funny you mention the “out of sight, out of mind” thing - I’ve been guilty of that myself. I went up to clean the gutters last fall and found a couple screws just sitting on the panels, not even in the wood anymore. No leaks yet, but it was a wake-up call. I do think regular checks make a difference, especially with metal. And yeah, seams and penetrations are always where I see issues first, not so much the fasteners.

Regular checks are underrated, honestly. I’ve seen more trouble around skylights and vents than anywhere else - water just loves to find a way in at those seams. Fasteners, yeah, they’re sneaky... you think they’re fine until you spot one halfway out months later. Metal roofs hold up well, but only if you stay on top of those little issues before they turn into big ones.

Regular checks are underrated, honestly. I’ve seen more trouble around skylights and vents than anywhere else - water just loves to find a way in at those seams.

That’s the truth - water is like a ninja when it comes to sneaking in. I had a vent that looked perfectly fine from the ground, but after a big storm, I found out it was basically a waterslide into my attic. Ended up with a soggy insulation mess and a lesson learned: trust issues with vent flashing.

About metal roofs and lightning, though... I used to worry about that too, especially after my neighbor joked that my place would double as a giant lightning rod. Turns out, metal doesn’t actually attract lightning any more than other materials - it just conducts it better if it does get hit. The kicker is, it usually spreads the charge out safely as long as your house is grounded properly. My cousin’s place got struck once (not even a metal roof, just bad luck), and the only casualty was his old satellite dish.

Honestly, I’m more nervous about hail than lightning. Metal roofs can take a beating, but those big hailstones leave some pretty impressive dents. Anyone else had to deal with insurance over that? Mine tried to tell me “cosmetic damage isn’t covered” - like I wanted a polka-dotted roof for the aesthetic.

Curious if anyone here has actually had a direct lightning strike on their metal roof? Did grounding make any difference? Or did you just get an unexpected fireworks show?

You’re spot on about water finding its way in - flashing is usually the culprit, especially around vents and skylights. As for lightning, I’ve seen a few metal roofs take direct hits over the years. If the system’s grounded right, damage is rare - usually just fried electronics if anything. Hail’s a bigger headache in my experience, since insurance loves to call those dents “cosmetic.” Not much you can do about that except document everything and push back if they try to lowball you.

I’ve managed a handful of buildings with metal roofs, and lightning’s never been the big headache - like you said, proper grounding does the trick. The real pain is hail. Had a property last year that got peppered; insurance adjuster called it “just cosmetic,” but try telling that to tenants who think their roof’s ruined. Ended up taking photos from every angle and pushing back until they covered more than just a token amount. Water leaks are still my main concern, especially after a few years when flashing starts to go... That’s where most of my repair calls come from, not lightning.

Hail’s the real menace, totally agree. I’ve seen metal roofs take a beating and yeah, insurance loves to call it “cosmetic.” Try explaining that to someone staring at a roof full of dings every time they step outside. Honestly, my bigger gripe is how little attention gets paid to green options - plants can soften hail impact and help with runoff, plus they look way better than a pockmarked tin lid. Water leaks are brutal though... flashing is always the sneaky culprit in my experience too.

Yeah, hail’s rough on metal - those dents are hard to ignore, even if they’re “just cosmetic.” I’ve seen green roofs hold up better in some storms, but they’re not common where I am. And flashing… always seems like the weak link, especially around chimneys.

Metal roofs and hail... yeah, it’s like giving your house a drum solo every time there’s a storm. I get what you mean about those dents - my neighbor calls them “roof freckles” but I’m not convinced it’s a good look. You mentioned green roofs - honestly, I’ve seen sedum and other plants just soak up hail like it’s nothing, but they’re definitely rare outside big cities or eco-nerd circles (guilty as charged). As for flashing, it always feels like the Achilles’ heel, right? Ever tried those newer flexible flashing tapes? They’re supposed to help, but I’m still skeptical - especially around old brick chimneys.

As for flashing, it always feels like the Achilles’ heel, right? Ever tried those newer flexible flashing tapes? They’re supposed to help, but I’m still skeptical - especially around old brick chimneys.

I hear you on the flashing. I’ve done a couple of roof jobs over the years (asphalt and then metal), and honestly, flashing is always where things get dicey. Those flexible tapes are a step up from the old-school stuff, but around my 1920s chimney, nothing seems to last more than a few seasons before something starts peeling or leaking. I’ve tried the butyl-based ones - better than tar, but still not magic.

About lightning and metal roofs - this comes up every time someone in my neighborhood talks about switching from shingles. I did a ton of research before pulling the trigger on mine. The science says metal doesn’t actually make your house more likely to get hit by lightning. It’s conductive, sure, but that just means if you do get hit, the charge spreads out and heads for ground instead of setting your roof on fire like wood or asphalt might. I live in central Texas where storms are no joke, and honestly, I sleep better knowing my roof isn’t going to catch fire from a strike.

The real headache with metal is hail, like you said - my roof looks like it’s got chickenpox after last spring’s storm. Insurance covered it, but now I’m stuck with “roof freckles” too. Not exactly curb appeal material. Still, I’d rather deal with dents than leaks or fire risk.

Green roofs are cool in theory - I saw one at a friend’s place in Austin and it handled hail way better than mine - but they’re a pain to install unless your house is built for it. Plus, maintenance is a whole other animal.

If you’re worried about lightning, grounding rods are worth looking into. Not cheap, but peace of mind counts for something. For me, the pros of metal outweigh the cons, even if my house sounds like a snare drum every time it rains.

That “snare drum” comment made me laugh - rain on metal is no joke, especially when you’re trying to watch TV. I’m with you on the lightning thing. I’ve managed a few properties with metal roofs, and never actually seen one get hit, but folks always ask. The only time we had an issue was with a poorly grounded outbuilding, and that was more about the old wiring than the roof itself. Hail’s definitely the bigger headache here in the Midwest…those dings show up fast, but at least it’s not leaks every season like with some of our older shingle jobs. Flashing around chimneys is still my nemesis - nothing seems to last forever, no matter what magic tape or sealant we try.

Interesting point about the flashing - I've seen a lot of callbacks for leaks right at that spot, especially after a rough winter. Does anyone have luck with any particular type of flashing or install method around chimneys? I keep hearing mixed opinions on step vs. continuous.

I’ve had more luck with step flashing, honestly. Continuous always seemed like it’d be easier, but the joints in step flashing seem to handle freeze/thaw cycles better for me. Maybe it’s just my old house, but I’ll take a few extra pieces over a spring leak any day.

Step flashing’s definitely got its place, especially on older homes where nothing’s ever square and you’re dealing with weird angles. I get the appeal of continuous for speed, but I’ve seen more callbacks on those when the house settles or shifts. Out of curiosity, do you ever run into issues with step flashing on low-slope roofs? I’ve had a couple spots where ice damming still found its way in, even with careful install. Maybe it’s just our Midwest winters being extra stubborn...

I’ve got a metal roof, and honestly, the lightning thing worried me at first too. But after a couple Midwest storms, I realized it’s not really the metal that’s the issue - it’s whether your house is grounded right. Step flashing’s been a pain for me on low slopes, especially with ice damming like you said. Sometimes I wonder if all the extra cost and hassle is worth it when nothing seems to stop water from finding a way in during those brutal winters...

Sometimes I wonder if all the extra cost and hassle is worth it when nothing seems to stop water from finding a way in during those brutal winters...

I hear you on the Midwest winters - mine’s more like “water finds a way: home edition” every January. But I gotta say, I went the budget route with asphalt shingles and, honestly, sometimes I wonder if I should’ve just coughed up for the metal. Yeah, metal’s pricier up front, but after patching up blown-off shingles for the third time last year, I’m not sure I’m really saving anything.

About the lightning thing, I was paranoid at first too. My neighbor’s got a metal roof and he jokes that he’s basically living inside a giant tin can during storms. But he’s never had an issue, and his insurance didn’t even go up. Meanwhile, my “budget” roof has cost me more in repairs than I care to admit.

Step flashing on low slopes is a pain no matter what you’ve got up there. I tried DIY-ing it once - let’s just say, water found its way in and my living room ceiling paid the price. If you’re dealing with ice dams, have you tried those heat cables? They’re not pretty, but they kept my gutters from turning into mini skating rinks last year.

If you’re thinking about whether the cost is worth it, here’s my two cents: metal’s expensive, but if you’re planning to stay put for a while, it might pay off just in headaches avoided. If you’re like me and counting every penny, maybe just budget for repairs and keep a stash of buckets handy for the next big thaw.

At the end of the day, Midwest weather’s gonna do what it wants. Sometimes I think the only real solution is to move somewhere with palm trees... but then I remember I can’t afford that either.

At the end of the day, Midwest weather’s gonna do what it wants.

Ain’t that the truth. I’ve patched more leaks than I care to admit, but honestly, sometimes you just gotta laugh. Metal or shingles, water’s got a PhD in sneaking in. You’re not alone - just part of the “bucket brigade” like the rest of us.

Metal roofs and Midwest storms - now there’s a combo that keeps me on my toes. The lightning question comes up every time I’m poking around an attic or crawling a roofline, especially with folks who just switched from shingles to metal. Here’s the thing: metal does conduct electricity, sure, but it doesn’t actually attract lightning any more than a shingle roof would. Lightning’s looking for the highest point, not the shiniest one.

But here’s where I get curious - how’s your grounding? That’s the step most people skip or don’t think about. If your metal roof is properly grounded (and by that I mean tied into your home’s grounding system, not just “well, it’s attached to the house, so…”), you’re actually better off. The metal will safely carry the charge down instead of letting it jump around looking for trouble. Think of it like a lightning rod, only flatter.

Now, leaks… those are another beast entirely. Metal roofs can be watertight if they’re installed right, but I’ve seen more than one “DIY special” where seams weren’t sealed and water found its way in faster than you can say “tarp.” And then there’s noise - some folks love that rain-on-a-tin-roof sound, others are ready to move out after the first hailstorm.

Quick checklist if you’re worried about lightning:
1. Double-check that your roof is grounded to code.
2. Make sure all seams and fasteners are tight - water loves to sneak in wherever it can.
3. If you’ve got a bunch of tall trees nearby, sometimes THEY take the hit instead of the house, but then you’ve got branches to worry about.

I’ve seen insurance companies ask for proof of proper grounding before they’ll cover certain storm damage claims on metal roofs, so it’s worth digging into your paperwork or asking whoever installed it. Midwest weather will do what it wants - might as well stack the odds in your favor where you can.

And if you’re part of the “bucket brigade” already, welcome to the club. At least with metal, when you finally get it sealed up right, those leaks tend to stay gone longer… assuming the wind doesn’t try anything funny next spring.

I’ve been through a few of those “bucket brigade” nights myself, usually right in the middle of a thunderstorm when you least want to be up in the attic. Swapped my asphalt shingles for a standing seam metal roof about six years ago after back-to-back hailstorms, and I’ll admit, I was nervous at first about lightning.

The point about grounding is spot on. When I had mine installed, the contractor made a big deal out of tying the roof into the existing ground rods from the electrical panel. It took some extra work (and a bit more money), but it’s one of those things you don’t want to skip. My insurance company actually wanted documentation before they’d update my policy. They seemed more concerned about electrical surges than direct strikes, which surprised me.

“If your metal roof is properly grounded (and by that I mean tied into your home’s grounding system, not just ‘well, it’s attached to the house, so…’), you’re actually better off.”

That matches what my installer said. He compared it to how airplanes handle lightning - metal’s a good conductor, so as long as there’s a safe path to ground, you’re protected. The only hiccup I’ve had was with the noise. First couple storms sounded like someone was throwing gravel at the house, but after adding insulation in the attic, it mellowed out a lot.

Leaks were another learning curve. One missed fastener on a lower panel led to an annoying drip right over my workbench. Tightening everything up and using high-quality sealant solved it for good - so far, anyway.

I will say, having tall oaks nearby makes me a little uneasy during big storms. Lost a limb last year that landed square on the ridge vent (thankfully no puncture). If it’s not one thing, it’s another with Midwest weather.

All in all, I don’t worry much about lightning anymore. As long as your installation is up to code and you keep up with maintenance, I’d take a grounded metal roof over old shingles any day - especially after seeing how well mine shrugged off last spring’s hail.