That lines up with what I’ve seen. The warranty language is vague enough to make you second-guess any little tweak, but I haven’t heard of Atlas denying claims just for copper strips either—unless someone really botched the install. I tried zinc strips on my last house (dark shingles, humid climate) and yeah, the runoff lines were visible for a while, but honestly, the algae was more of an eyesore. I’d rather deal with faint streaks than green patches. As for resale, buyers here seem to care way more about leaks or missing tabs than a bit of discoloration. I wouldn’t overthink it unless you’re seeing actual damage.
Copper or zinc strips are a solid move, honestly. I’ve seen folks get way too hung up on the warranty fine print—unless you’re hacking up the shingles, Atlas isn’t gonna care. Algae looks way worse than a couple streaks, especially if you’re in the humid South. Most buyers don’t even notice unless there’s an actual leak or missing shingle. If it’s just cosmetic, I wouldn’t lose sleep over it.
Algae looks way worse than a couple streaks, especially if you’re in the humid South.
Agreed, but I’ve always wondered—does anyone actually track the runoff from copper or zinc strips? I’ve read a bit about metal ions leaching into gardens below. I’m all for clean roofs, but curious if anyone’s seen plant issues after a heavy rain.
I’ve seen a few gardens get hit with runoff from copper strips, especially after a big storm. Usually, it’s just the plants right under the drip line that look a little rough—yellowing leaves or stunted growth. It doesn’t seem to wipe out everything, but if you’ve got sensitive ornamentals or veggies right below, it might be worth redirecting the runoff or using shorter strips. I always tell folks to check their gutters and downspouts too... sometimes you can route that water away from beds pretty easily.
Not sure I’d call copper runoff a minor issue, especially if you’re growing edibles right under the eaves. I get that it’s usually just the plants right below the drip line that take a hit, but I’ve seen some pretty nasty leaf burn on tomatoes and peppers after a couple of big storms. Maybe it’s worse in my area—our soil doesn’t drain all that fast, so anything extra in the runoff just sits there.
Redirecting gutters is fine if you’ve got the space, but not everyone does. And honestly, shorter copper strips don’t always solve it either. The rain still picks up enough to cause problems if you’ve got sensitive stuff planted close to the house. I ended up switching to zinc strips a few years back—still keeps the algae off, but I haven’t noticed any issues with my garden since. Could be luck or maybe zinc’s just less harsh on plants.
One thing I’d add: if you’re set on using copper, maybe try putting down a gravel strip or some mulch right under the drip line. It won’t stop all the runoff, but at least it keeps most of it from soaking straight into your veggie beds. Just my two cents... sometimes these “quick hacks” come with more headaches than folks expect.