if a metal roof ever does get hit, repairs aren’t exactly budget-friendly.
I hear you on the repair costs. We put a metal roof on our cabin up north and I worried about lightning at first too. Ended up talking to a local roofer who said metal actually helps disperse the strike safely, as long as everything’s grounded right. Haven’t had an issue yet, but I still flinch every time there’s a big storm rolling through... just can’t help it.
metal actually helps disperse the strike safely, as long as everything’s grounded right.
That’s the key—proper grounding. I’ve inspected a few places where folks skipped that step, and you could see scorch marks near the eaves. Metal roofs aren’t magnets for lightning, but if your grounding isn’t up to code, you’re rolling the dice. Personally, I’d rather deal with a dented panel than a fire in the attic. Still, like you said, those storms can make anyone a little jumpy...
I’ve seen both sides of this. One job a few years ago, the homeowner had a brand new standing seam roof but skipped out on proper grounding—figured the metal itself was “enough.” After the first big storm, they ended up with fried electronics and a couple of black streaks right down the siding. Not a fun fix.
If you’re in an area that gets a lot of lightning, I’d always double-check the grounding rods are installed and tied in correctly. It’s not just about running a wire; you need to make sure it’s actually making solid contact with the earth and not just sitting on rocky fill or something. Sometimes folks cut corners or assume the old system from an asphalt roof is still good enough. That’s where problems start.
Honestly, I’d take a metal roof over asphalt for storms any day, but only if the grounding’s done right. Otherwise, you’re just swapping one risk for another...
I get what you’re saying about grounding, but I’ve heard a few electricians mention that a metal roof doesn’t actually attract lightning any more than asphalt. It’s just that if you do get hit, the metal gives it a better path to ground—assuming everything’s hooked up right. My uncle’s place has had a metal roof for ages, no special grounding, and he’s never had an issue, even with some gnarly Midwest storms. Maybe it’s luck, maybe it’s the way his house sits on the lot? I do wonder if sometimes we overthink it, or if certain areas are just more prone to trouble.
I get what you’re saying about not having issues, but I’m honestly a little wary about just leaving it to chance. My house came with a metal roof and when we moved in, the inspector pointed out that the previous owner never bothered with any extra grounding either. It made me pause, especially since we’re in an area that gets hit with some pretty wild summer storms.
I’ve read that metal doesn’t attract lightning more than other materials, but if it does get struck, isn’t there a risk if the path to ground isn’t set up right? I know lots of people go years without a problem, but then you hear those stories about freak strikes causing fires or frying electronics. Maybe it’s rare, but I’m not sure I’d want to gamble on it.
Is it possible your uncle’s house is just in a spot that’s less likely to get hit? Or maybe he’s just been lucky so far. I guess I’m more of a “better safe than sorry” type, especially since repairs after lightning damage can be a nightmare. Anyone actually had to deal with insurance after something like that?