- Had the same debate when I redid my shed roof last year. Went with synthetic slate mostly because it was way easier to haul up there by myself.
- Noticed some fading after a couple summers, but honestly, it still looks better than the old concrete tiles did after a decade.
- Agree about the weight—my rafters are old 2x4s and I didn’t want to push my luck. Lighter tiles made me feel a lot better about it.
- Only thing I’d add: cleaning is a breeze compared to real stone. Just a hose and soft brush, no special cleaners needed.
- If you’re picky about color, maybe go for a darker shade—mine’s gray and the fading isn’t super obvious.
That’s interesting about the fading—I’ve seen some synthetic slates hold up better than others, but it does seem like the lighter shades show wear faster. I was called out to a place last fall where the homeowner was pretty frustrated by how much their “charcoal” tiles had lightened up after just three summers. But honestly, it still looked cleaner than most of the real slate roofs I inspect, especially when you factor in all the moss that collects on the stone ones around here.
Weight is a big one, too. I’ve come across plenty of old garages and sheds where the original structure just isn’t up for heavy tile anymore. I’ve actually flagged a few concrete tile roofs for bowing rafters, so I get why you’d go synthetic if you’re working with 2x4s. I’ve also noticed that the synthetic stuff is a lot less brittle when you’re walking on it—less chance of cracking a tile if you need to get up there for a chimney sweep or to clear branches. That’s something people don’t always think about until they have to fix a leak mid-winter.
One thing I’m curious about—how’s the sound when it rains? I’ve heard some folks say synthetic slate is noisier, almost like metal, but others barely notice a difference. I’m usually under the roof during an inspection, not inside the building during a storm, so I never really get a sense for it. Anyone actually notice a big change in noise after swapping materials?
I’ve actually lived under both—real slate for about ten years, then switched to synthetic when we had to redo the roof. I get what you’re saying about fading, but honestly, I’d take a little color lightening over the moss and constant maintenance any day. Our old slate was a magnet for every kind of growth, and it never looked “clean” for more than a season.
Weight was a huge factor for us, too. The original rafters were just barely up to code, and I wasn’t about to risk sagging or worse. The synthetic’s been way easier on the structure, and yeah, I’ve noticed it’s less nerve-wracking walking up there. Haven’t cracked a single tile since the switch.
As for rain noise—maybe it depends on the brand or how it’s installed? Ours sounds about the same as the old stone did. Maybe a tiny bit more “tappy” during heavy downpours, but not enough to bother anyone. If anything, it’s quieter than metal or plain shingles. I wouldn’t let noise be a deciding factor unless you’re super sensitive to sound.
Funny, I had the same debate with my partner when we were re-roofing. The weight difference is wild—our old slate was basically a gym membership for the house. I do miss the look of real stone sometimes, but not enough to go back to scraping moss every spring. Haven’t noticed much noise difference either, honestly. The only thing I’d say is, if you’re in a spot with crazy hail, synthetic might dent a bit easier than stone, but at least you’re not dealing with cracked tiles every time a branch falls.
our old slate was basically a gym membership for the house
That made me laugh—lifting those tiles felt like a workout too. I swapped to synthetic last year and my back’s still thanking me. Haven’t missed the moss, but I do kinda miss the “castle” vibe. Hail’s not a big deal here, so dents haven’t been an issue... yet.