- Gotta say, I’ve seen powder-coated steel fail pretty quick in salty air, especially if there’s even a tiny scratch. Once the coating’s breached, rust creeps in fast.
- Aluminum gutters can pit and look rough, but they don’t usually rust through like steel does. Sometimes ugly, but still functional.
- Underlayment’s helpful, but if the metal fasteners go, water finds a way. I’ve seen synthetic underlayments hold up, but they’re not a cure-all.
- Flashing’s still the MVP in my book... but I’d double-check those fastener specs, especially if you’re right on the coast.
That’s interesting about powder-coated steel—makes me wonder if anyone’s tried those “marine grade” coatings and actually seen them hold up? I’ve only ever seen the standard stuff, and yeah, one scratch and you’re basically inviting rust to the party. With aluminum, I get what you mean about the pitting. My neighbor’s gutters look like they’ve been sandblasted after a few years, but they’re still hanging in there.
About the fasteners—has anyone had luck with stainless or coated screws actually lasting, or do they just end up corroding slower? I’ve seen some roofs where the panels are fine but every single screw head is rusted out after a couple seasons. Makes me wonder if it’s worth the extra cost for the “coastal” hardware packs, or if it’s just marketing.
And with underlayment, I’m curious—does anyone actually see a difference between the synthetic stuff and old-school felt in salty climates? I’ve heard mixed things, but haven’t seen a side-by-side comparison after a few storms.
I’ve been wondering the same about those “marine grade” coatings. The guy who installed my gutters swore by them, but honestly, I already see a couple of rust spots after just two years. Maybe it helps, but I’m starting to think nothing is totally foolproof when you’re this close to the ocean. The salt just finds a way in.
On the fasteners, I paid extra for stainless screws (the ones that were supposed to be “lifetime” rated), but a bunch of the heads are already getting that orange halo. The panels themselves look fine, which is kind of annoying since now I notice every single rusty dot when I pull in the driveway. Not sure if it’s worth paying for the “coastal packs,” or if it’s just a fancier label.
As for underlayment, my roofer pushed synthetic, saying it’s less likely to rot or wrinkle from humidity. But my neighbor went with felt and hasn’t had any issues yet. Maybe it’s more about how good the install is than the material itself? Hard to say—wish there was a real side-by-side after a few storms.
I hear you on the stainless screws—mine started showing those orange halos after a couple years too, even though they were supposed to be the “good” ones. I’m starting to wonder if it’s the grade of stainless or maybe just the way they’re exposed? I went with synthetic underlayment as well, but honestly, I can’t tell if it’s made a difference. My neighbor’s old felt roof is still holding up, so maybe install really is the key. Has anyone actually seen a “coastal pack” that held up better long-term?
- Gotta say, I’m not convinced the “coastal pack” stuff is worth the extra cash. Tried it once—looked fancy, but still got rust spots after a couple seasons.
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“My neighbor’s old felt roof is still holding up, so maybe install really is the key.”
Same here. My neighbor’s roof is ancient and somehow outlasts everyone else’s. Maybe it’s just luck or some weird roofing magic.
- I went cheap with galvanized screws last time (don’t judge), and honestly, they held up about the same as the pricier stainless ones for me.
- Starting to think it’s less about what you buy and more about how much salt spray your house gets... or maybe just how bored the seagulls are that year.