- Haven’t had to file a claim after adding copper strips, but I did call Atlas first—definitely recommend checking with them.
- On staining: I’ve seen a faint greenish tint on the gutters after heavy rain, but nothing on the shingles themselves.
- The algae cleared up fast, though. For me, worth the minor risk.
- If you’re worried about warranty, maybe try zinc strips? Some folks say they’re less likely to cause issues with shingle makers.
I get the appeal of copper strips, especially if you saw results that fast, but honestly, I’d be nervous about even a hint of green staining. My neighbor’s roof ended up with weird streaks along the gutters after a couple seasons, and it just looked off. Maybe I’m picky, but for me, risking the warranty or changing the look isn’t worth it. I’d rather just hit the shingles with a cleaner once a year—even if it’s more work.
I’d be nervous about even a hint of green staining. My neighbor’s roof ended up with weird streaks along the gutters after a couple seasons, and it just looked off.
That’s a valid concern, especially if you’re dealing with lighter shingles or a roof that’s really visible from the street. I’ve seen copper do a great job controlling algae, but the runoff can leave those streaks—sometimes subtle, sometimes not. Out of curiosity, what kind of cleaner do you use? I’ve tried a few and some are pretty harsh on landscaping. Also, have you noticed any impact on the shingle granules after repeated cleanings? That’s the one thing that makes me hesitate about annual treatments.
Also, have you noticed any impact on the shingle granules after repeated cleanings? That’s the one thing that makes me hesitate about annual treatments.
I’ve wondered the same. I used a so-called “gentle” roof wash last year and still saw a fair bit of grit in the gutters after. Not sure if it was just age or the cleaner, honestly. For me, I stick with a diluted bleach mix and rinse fast—seems to do less damage than the pre-mixed stuff, but I’m still cautious about doing it too often. Anyone else see granule loss ramp up after cleaning?
Yeah, I’ve noticed the same thing—granule loss seems to pick up after any kind of cleaning, even if you’re careful. I get why folks want to keep their roofs looking good, but honestly, those granules are what protect the shingles from UV and weather. Once they start coming off in bigger amounts, you’re basically shortening the roof’s life, no matter how “gentle” the wash claims to be.
I tried a soft wash system once (low pressure, eco-friendly soap, all that jazz) and still ended up with a handful of grit in the gutters. My take? Even the mildest chemical or pressure-based cleaning is going to loosen up some granules, especially on older shingles. It’s just the nature of asphalt.
If you’re dealing with algae every year, maybe look into zinc or copper strips at the ridge instead of constant washing. They’re not perfect, but they cut down on growth without scrubbing or chemicals. I’d rather have a little staining than risk burning through my shingles faster than necessary.