Copper strips, yeah, I’ve tried them on my own place after the zinc ones started looking a bit sad. I was hoping for a miracle, but honestly, the difference wasn’t night and day. Maybe a little less streaking, and they do seem to hold up better in our rainy winters, but moss still finds a way—especially on the north side where the sun never hits.
What’s made the biggest difference for me is a combo approach: copper or zinc at the ridge, then a gentle scrub with a soft brush every spring. I learned the hard way not to go at it with a pressure washer—took some granules right off my shingles. Also, trimming back the big maple that shaded half the roof helped more than any metal strip. Less debris, more sunlight, and the moss just doesn’t get as thick.
If you’re thinking about DIY vs hiring out, I’d say it depends on your roof’s pitch and your comfort level. I’m fine up there, but my neighbor slipped last year and ended up with a busted wrist. Sometimes paying a pro is worth it just for peace of mind.
You nailed it about pressure washers—way too much risk for shingle damage. I’ve seen folks try chemical moss killers too, but runoff can mess with landscaping if you’re not careful. For steep roofs or anything over one story, I usually recommend hiring out. Safety gear only goes so far if you’re not used to working up there. And yeah, shade makes a huge difference... sometimes just pruning trees is half the battle.
Pressure washers on shingles make me cringe a bit—my neighbor tried that last summer and ended up with half his granules in the gutter. He kept blaming the “cheap shingles” but, honestly, you hit the nail on the head: way too much risk for what you get. I’m not saying I haven’t been tempted though… there’s something oddly satisfying about blasting stuff clean, but then you remember you’re basically sandblasting your own roof.
“I’ve seen folks try chemical moss killers too, but runoff can mess with landscaping if you’re not careful.”
Yeah, learned that one the hard way. My uncle dumped some moss killer up there and next week his wife was yelling about her hydrangeas looking like they’d been through a drought. Those chemicals don’t just stay put—they’ll find their way down, especially if your gutters are clogged (don’t ask how I know). If you do go that route, tarping off your plants is a must, or just be ready for some cranky gardeners in your house.
I get what you mean about hiring out for steep roofs. My first time up on a 12/12 pitch, I thought I was starring in one of those “fail” videos. Harness or not, it’s a whole different game when your boots are sliding and you’ve got nothing but sky behind you. Some folks make it look easy, but unless you’re used to heights and awkward footing… yeah, maybe leave it to the pros.
You mentioned shade—totally underrated tip. My grandma’s house had this big old maple that kept half her roof damp all year. We trimmed it back (after much debate), and suddenly half the moss just stopped coming back. Sometimes old trees are more to blame than the roof itself.
I will say: if your roof’s got a gentle slope and you’re comfortable up there, a broom and some patience can go a long way. Just don’t get too ambitious—gravity always wins eventually.
Man, I totally get the pressure washer temptation. There’s just something about blasting grime that feels so satisfying, but yeah... not worth turning your shingles into confetti. I tried the “gentle” setting once and still ended up with more grit in the gutters than I’d like to admit. As for moss killer, learned that lesson too—my wife’s roses never forgave me. At this point, I just stick to a broom and hope for the best. Gravity’s undefeated, and my balance isn’t what it used to be anyway.
Gravity’s undefeated, and my balance isn’t what it used to be anyway.
That line hits home. I just bought my first place last year and thought I’d save some cash by tackling the roof myself. Watched a bunch of YouTube videos, figured “how hard can it be?” Turns out, even with a low slope, being up there is way sketchier than I expected. I tried using a leaf blower for the pine needles—worked okay, but I still managed to clog the gutters and nearly lost my footing a couple times.
I get the pressure washer appeal too, but after seeing what it did to my neighbor’s shingles (looked like someone took sandpaper to them), I’m steering clear. My roof’s only a few years old, so I’m paranoid about voiding the warranty or messing something up.
Honestly, leaning toward hiring someone next time. The cost stings, but not as much as a hospital bill would. Still curious if anyone’s found a safe DIY method that doesn’t risk wrecking the roof or your neck...