- Salt air’s brutal, no doubt. Even the “marine grade” stuff gets sketchy if you don’t keep up with it.
- Seen a few roofs where the fasteners rusted out before the panels did. Installer said it was “coastal rated,” but I guess that just means it takes a little longer to fail.
- Aluminum’s lighter, but dents way too easy. Guy down the street had a palm branch go through his last year.
- Stone-coated steel looks nice at first, but those granules end up in the gutters after a couple storms.
- Underlayment’s huge—peel-and-stick seems to help with leaks, but it’s not cheap.
Curious if anyone’s tried copper or zinc near the water? I’ve only seen copper on old churches, but maybe it holds up better? Just seems like everything’s a trade-off out here...
Curious if anyone’s tried copper or zinc near the water? I’ve only seen copper on old churches, but maybe it holds up better? Just seems like everything’s a trade-off out here...
Copper looks awesome and it does get that cool patina, but I’ve heard it can react with salt air too—just way slower than steel or aluminum. Plus, the price is kind of brutal unless you’re doing a fancy entryway or something small. Haven’t seen much zinc around here (Florida coast), but supposedly it’s better than aluminum for corrosion. Only thing is, any tiny scratch can turn into a problem over time, especially with all the wind-blown sand. Definitely feels like you’re just picking which problem you want to deal with down the road...
You nailed it—there’s always a compromise. I looked into copper a while back, but the sticker shock was real. Ended up going with galvalume steel and just budgeted for touch-ups and regular rinsing to keep the salt off. My neighbor did zinc on his porch roof, and it’s holding up, but he’s out there every few months checking for scratches or dings. Honestly, unless you’re ready to baby the roof, it’s tough to beat something with a good coating and a plan for maintenance. Just gotta pick your battles and your budget...
That’s pretty much been my experience too. I went with galvalume for the main roof, figuring it was a good balance between cost and durability. Even with the coatings, though, I’m finding the salt air is relentless—especially after a windy week. I try to rinse it down every month or so, but honestly, sometimes life gets in the way. I did consider zinc at one point, but like your neighbor, I didn’t want to be up there all the time checking for tiny scratches. In hindsight, maybe I underestimated how much maintenance even “low-maintenance” options need this close to the ocean... but at least repairs aren’t as pricey as copper.
Yeah, I hear you on the “low-maintenance” thing being a bit of a myth near the coast. Galvalume’s supposed to be tough, but salt air just finds a way in, no matter what the brochure says. I’ve seen folks try everything—clear coatings, fancy rinsing systems, even those zinc strips—but nothing’s totally hands-off. Honestly, I think unless you’re ready to shell out for copper (and who is?), it’s always gonna be a trade-off between cost, hassle, and how much you want to climb up there. At least galvalume doesn’t rust out overnight... but it sure keeps you humble.
