Notifications
Clear all

Did you know synthetic slate can actually be lighter than real stone?

263 Posts
257 Users
0 Reactions
5,523 Views
vr_ray
Posts: 2
(@vr_ray)
New Member
Joined:

Yeah, the weight difference is a game-changer, but I’ve seen that same curling issue with synthetic slate after a few rough winters in Wisconsin. If you’re dealing with an older house that can’t handle the real stuff, sometimes you just have to accept more repairs and factor that into your budget. I usually tell folks to check what their rafters can actually support before making any decisions—no one wants a saggy roof halfway through winter.


Reply
becky_jones
Posts: 14
(@becky_jones)
Active Member
Joined:

That curling issue with synthetic slate is something I’ve run into, too—especially after those brutal freeze-thaw cycles. Had a job last year where the homeowner thought going lighter would mean less trouble, but after two winters, we were back up there patching and reseating tiles. Sometimes you just have to pick your battles… on older houses, I’d rather deal with a few repairs than risk stressing the whole structure. Still, it’s wild how much lighter some of these synthetics are compared to real slate. Makes you wonder what trade-offs are really worth it in the long run.


Reply
rghost23
Posts: 14
(@rghost23)
Active Member
Joined:

- I get the concern about curling, but honestly, I’ve seen just as many issues with real slate flaking or cracking after a rough winter.
- Synthetic’s lighter weight can be a huge plus on older rafters—sometimes it’s the only way to avoid a full structural upgrade.
- Not every synthetic brand holds up the same, though. Some are way better with freeze-thaw than others.
- Had a client last year who went synthetic, and after three winters, zero problems so far... maybe just luck, but worth noting.
- I’d say it’s less about the material and more about install quality and picking the right product for the climate.


Reply
diyer39
Posts: 6
(@diyer39)
Active Member
Joined:

I switched to synthetic slate a few years back when I had to redo the roof on my 1920s bungalow. The weight difference was actually a big deal—my contractor said real slate would’ve meant reinforcing the whole structure, which sounded like a nightmare and a wallet-buster. Haven’t had any curling or cracking yet, but I do wonder how it'll look in another decade. I do miss the “real stone” sound when it rains, though… synthetic’s a bit quieter, which is good or bad depending on your mood.


Reply
drobinson57
Posts: 6
(@drobinson57)
Active Member
Joined:

That rain sound is something I didn’t even think about until after moving in—my old place had a metal roof, so I kind of miss that “ping” when it storms. On the durability side, I did a ton of research before picking synthetic for my place last year. Most brands claim 30-50 years, but I’m curious how they’ll actually age, especially with UV exposure. I do like not worrying about the weight, though... my inspector said real slate would’ve meant a whole new support system. For now, I’m just keeping an eye out for any fading or weird warping.


Reply
Page 3 / 53
Share:
Scroll to Top