- Weight’s a biggie for older homes, no doubt. My place is late ‘30s and the rafters are nothing to write home about. Synthetic slate was the only realistic option for me too—no way I was going to risk a sagging roof just for the “real thing.”
- The “set it and forget it” idea is definitely oversold. I’ve had to replace a few tiles after some wild temperature swings last year. They don’t always handle expansion and contraction as well as advertised, especially if your attic gets hot.
- Ventilation’s underrated. I didn’t think much about it until I noticed some warping near the ridge. Ended up adding a couple of extra vents—made a noticeable difference in attic temps and the tiles have stayed flatter since.
- One thing I wish I’d done: checked the warranty fine print. Some brands don’t cover heat-related curling, which feels like a bit of a loophole.
- All in all, synthetic’s lighter and easier on old framing, but yeah... not totally maintenance-free. At least repairs are DIY-friendly compared to real slate, which is something.
I get the whole “not maintenance-free” thing, but honestly, I’m not sure any roof is truly set-and-forget—even the real slate folks seem to have their share of headaches. My place was built in the ‘50s and I went with synthetic last year, mostly because the weight of real slate just seemed like asking for trouble. But I haven’t had any issues with tiles shifting or curling so far (knock on wood). Maybe it’s the brand? Or maybe our attic stays cooler since we’ve got a ton of shade from old trees.
I will say, I almost skipped the extra vents because I figured, “How bad could it be?” Glad I listened to my contractor. The attic doesn’t turn into a sauna anymore, and I’m guessing that’s helping the tiles hold up better. I do agree about warranties, though—some of that fine print is wild. I had to call customer service twice to even figure out what was covered.
All in all, I’d still pick synthetic again. It’s lighter, looks pretty convincing from the street, and I can actually swap out a tile myself if needed. Just don’t expect zero work, I guess.
That’s interesting about the vents—seen a lot of folks skip that step and regret it later, especially after a rough summer. Curious, have you had any big storms since switching to synthetic? I’ve noticed some brands hold up better than others when hail or high winds roll through.
Yeah, skipping vents is just asking for trouble—seen too many warped attics and peeling paint after a few hot months. As for storms, we had a nasty hailstorm last spring, and honestly, the synthetic slate held up way better than the old asphalt ever did. Not a single cracked tile, which surprised me. I was skeptical at first since it feels so much lighter, but so far, no regrets. Some brands definitely seem tougher than others though... I did a ton of research before picking ours since the wind here gets wild.
I was skeptical at first since it feels so much lighter, but so far, no regrets.
That lighter weight threw me off too when I first looked into synthetic slate. I kept wondering if it would stand up to the wind and hail we get here in the Midwest, but after two years, not a single issue. The installers even mentioned it put less stress on the rafters compared to real stone. Only thing I’m still watching is how it handles UV over time—some older synthetics faded pretty badly, but supposedly the newer ones are better. Anyone else notice color changes after a few seasons?