I’ve managed a handful of properties with both slate and composite roofs, and honestly, the difference in day-to-day headaches is pretty noticeable. Slate looks gorgeous, no doubt, but I swear, every time we had a hailstorm or even just a rough winter, I’d be up there checking for cracks or loose pieces. And then you’re hunting down a matching tile, which is never as easy as the sales guys make it sound.
With composite, yeah, you get some fading—especially in places like Texas where the sun just bakes everything. One building I look after has a south-facing roof that’s definitely lighter than when it was installed five years ago. But unless you’re standing right up close, it’s not super obvious. What’s been more important for us is that we haven’t had to deal with leaks or emergency repairs nearly as often. That’s a huge relief, especially when you’re juggling multiple properties.
I do wish manufacturers were clearer about what goes into these tiles. “Recycled content” could mean anything from old tires to plastic bottles... or just marketing fluff. I tried to get a straight answer once and ended up with a glossy brochure and not much else. Still, I’ll take that over the constant maintenance slate seemed to need.
One thing I’ve noticed is composite tends to muffle rain noise better than metal or even asphalt. Tenants have actually commented on how much quieter it is during storms. That’s not something I expected to matter, but it does make a difference.
If I had to nitpick, the only real downside so far has been the warranty language. “Excessive fading” is so vague—what’s excessive to me might not be to them. But compared to tracking down a roofer every time a tile cracks? I’ll live with some color change. At least the roof’s doing its job.
“I do wish manufacturers were clearer about what goes into these tiles. ‘Recycled content’ could mean anything from old tires to plastic bottles... or just marketing fluff.”
That’s been bugging me too—sometimes it feels like you need a chemistry degree just to figure out what’s actually in the product. Have you noticed any difference in how the composite holds up structurally compared to slate, especially after a few years of sun and storms? I’ve heard some brands get brittle over time, but haven’t seen it firsthand yet.
“sometimes it feels like you need a chemistry degree just to figure out what’s actually in the product.”
That’s exactly my frustration with a lot of these “eco” building materials. The recycled content label sounds great, but unless you dig into the spec sheets (which are usually buried or vague), you’re left guessing. I’ve even had reps give me different answers about what’s actually in the composite tiles they sell—one said mostly post-consumer plastics, another claimed rubber and wood fiber mix. Not super confidence-inspiring.
On the durability side, I’ll push back a bit on the idea that composites are always less reliable than slate. I manage a few properties with both types of roofs, and honestly, the composites have held up surprisingly well—at least the higher-end ones. We’re in a region with hot summers, ice storms in winter, and plenty of wind. After about seven years, I haven’t seen any major brittleness or cracking on the composite roofs we installed. Slate is obviously tougher and has that “forever” reputation, but it’s also way heavier and costs a fortune to repair if something does go wrong.
Where I do see issues is with cheaper composite brands—those can get chalky or brittle, especially if they’re exposed to full sun all day. Had one property where the tiles started fading and curling after five years. Turns out, that brand used a lot of filler material and not much UV protection. Lesson learned: price really does matter with these.
One thing I’ll say for composites—they’re easier to install and replace than slate, which means less downtime when repairs are needed. But yeah, I wish there was more transparency about what goes into them. If you’re managing long-term costs, sometimes it’s worth paying for the better composite just for peace of mind.
Bottom line: not all composites are created equal, but I wouldn’t write them off as flimsy across the board. Just gotta be picky about which one you choose... and maybe keep bugging manufacturers for real info on what’s inside.
That’s pretty much been my experience too—composites can surprise you if you don’t cheap out. I’ve had one roof that’s still looking decent after nearly a decade, and another where the tiles started curling up like potato chips after just a few summers. The transparency thing drives me nuts though. You’d think in 2024 we’d know what’s actually in these things without playing detective... But yeah, easier install and less hassle than slate for sure. I’ll take that trade-off most days.
The transparency thing drives me nuts though. You’d think in 2024 we’d know what’s actually in these things without playing detective...
Right? I’ve tried to get a straight answer from a couple manufacturers and it’s always “proprietary blend” or some vague eco-friendly claim. Curious if you noticed any difference in heat retention or runoff compared to slate? That’s been my main concern with composites, especially in hotter climates.