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Roofing near the ocean—did you know salt air eats metal?

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dwright43
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(@dwright43)
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“after enough salty winters myself, I’m starting to think ‘low maintenance’ is just code for ‘less likely to make me curse on a Saturday.’”

That line made me laugh—totally get it. I’m new to all this and honestly, the idea of spending weekends polishing gutters sounds like a nightmare. I thought copper would be a “set it and forget it” thing, but after seeing my neighbor’s turn green in less than a year, I’m rethinking everything. The patina is kind of cool, but not sure I want my house looking like an old penny collection.

I’ve been eyeing composite too. It’s not as “wow” as copper, but if it means less hassle and fewer surprises, I’m all for it. My budget’s already stretched thin with the roof itself, so the idea of something that just works is pretty appealing.

Aluminum was on my list, but hearing about pitting makes me nervous. Is there any coating that actually holds up long-term by the ocean? Or is it just a matter of time before everything starts looking rough? At this point, “boring but reliable” sounds pretty good.


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(@amanda_carpenter)
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Green roofs don’t get enough attention in these threads, but honestly, they’re worth a look if you’re near the ocean and tired of metal drama. I know it sounds out there—plants on your roof?—but hear me out. No pitting, no patina, no endless coatings that never seem to last more than a couple seasons. You get a layer of protection from salt air, plus some insulation and stormwater benefits.

I put in a small extensive green roof section over my garage about five years ago. It’s mostly sedum and some local grasses. Maintenance is basically pulling weeds twice a year and checking the drainage mats after big storms. No rust, no weird streaks, and it actually helped with summer heat inside. Upfront cost was higher than basic shingles or aluminum, but not as wild as copper or tile. And it’s held up better than my neighbor’s standing seam panels—he’s already replaced sections because of corrosion.

Composite is fine if you want zero fuss, but it doesn’t do much for energy savings or curb appeal (unless you really like that “plastic wood” look). Aluminum with marine-grade coatings can last a while, but nothing’s bulletproof by the ocean—eventually the salt finds its way in.

If you’re stretched on budget, maybe just do a green roof over part of the house or an addition? Even a small patch makes a difference for runoff and looks better than peeling paint or green streaks on metal. Not saying it’s for everyone, but if you’re sick of metal headaches and want something different, it’s worth considering.


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(@chess_jake)
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If you’re stretched on budget, maybe just do a green roof over part of the house or an addition? Even a small patch makes a difference for runoff and looks better than peeling paint or green streaks on metal.

That’s interesting. I’ve always figured green roofs were out of reach cost-wise, but maybe a partial install is doable. Did you notice any leaks or issues with the waterproofing layer? That’s my main worry—don’t want to trade rust for water damage.


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danielcoder
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Leaks are the nightmare, right? I was skeptical too, but the newer waterproofing membranes are way better than what I remember from the 90s. Still, you’ve gotta be picky about installers—one bad seam and you’re chasing drips for months. Partial green roof could be a fun experiment if you’re game. Worst case, you get a cool story and some extra insulation.


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(@music_john)
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Yeah, leaks are what kept me up at night when we first moved out here. I remember the old tar paper days—never trusted it much, and sure enough, we had a mystery drip that took three months to find. The new membranes do seem tougher, but I still get nervous about corners and skylights. Had a buddy try a green roof on his shed—looked wild, but he did end up with some weird moss growing where he didn’t want it. Still, can’t argue with the extra insulation. Just wish installers took as much care as they claim...


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