Definitely agree on the structural integrity point—trusses are usually the safer bet, especially if you're planning anything heavy-duty like a green roof. One thing I'd add from experience: make sure you factor in ventilation early on. I've seen folks beef up their roof structure beautifully, only to realize later they didn't leave enough room for proper airflow. Moisture buildup can sneak up on you, and trust me, dealing with mold down the road is no fun...
Good call on ventilation—it's often overlooked until it's too late, and mold remediation can be a real headache (and wallet-drainer). Another thing worth considering is access for maintenance or inspections down the line. I've inspected roofs where trusses were spaced so tightly that just crawling through became an Olympic event. Planning ahead for practical access can save a lot of frustration later. Sounds like you're thinking things through carefully, though, so you're already ahead of most homeowners I've worked with.
Good points raised here, especially about maintenance access. I've seen my fair share of attics where getting through the trusses felt more like a yoga session than an inspection. One thing I'd add is that while trusses can be quicker and sometimes cheaper to install, rafters do offer more flexibility if you're thinking about future modifications or storage space.
Speaking of storage, have you considered whether you'll want to use your attic for anything down the road? I've inspected homes where homeowners initially didn't plan on storage but later regretted not having the option. Rafters typically provide more open space, making it easier to convert or use the attic area later on. Trusses, especially those designed purely for structural support, can really limit your options unless you specifically choose attic trusses from the start.
Also, depending on your local climate and roof design, snow load or wind resistance might factor into your decision. In some regions, engineered trusses can offer better structural integrity under heavy loads compared to traditional rafters—something worth checking into with your local building codes.
Curious if you've already looked into how each option affects insulation installation? I've noticed that certain truss designs can complicate insulation placement, potentially creating cold spots or ventilation issues down the line. Rafters might simplify things there, but again, it depends heavily on your specific roof design and climate conditions.
Sounds like you're already ahead of the curve by thinking this through carefully...
You've definitely covered a lot of ground here, and I agree with most of it. But I'll say from personal experience that trusses aren't necessarily as limiting as people sometimes make them out to be. When we first moved in, our attic had basic trusses, and I thought, "Well, there goes my storage plans." But honestly, after putting down some plywood flooring carefully around the braces, we've still managed to store plenty of seasonal stuff up there—holiday decorations, suitcases, you name it.
Sure, it's not as spacious or convenient as a rafter-built attic would be for walking around or future conversions... but for basic storage needs, it hasn't really been an issue. Also, on insulation—I actually found insulating between trusses pretty straightforward once we got the hang of it. Maybe it's just luck or our particular design?
Either way, it's good you're thinking about this ahead of time. We didn't think about any of this stuff until after moving in and had to learn on the fly... not ideal!
I'm with you on this one—trusses definitely get a bad rap sometimes, but they're not nearly as restrictive as people think. We had a similar experience when we moved into our place. At first glance, I was convinced we'd never be able to use the attic effectively, but like you said, a bit of careful plywood placement goes a long way. We've got plenty of stuff stored up there now, from camping gear to boxes of old clothes we can't quite part with yet.
One thing I'd add, though, is that if you're considering any kind of green roof or solar panels down the line, trusses can actually make things easier. Rafters sometimes require extra reinforcement to handle the added weight of a green roof system, especially if you're looking at something more substantial like a sedum mat or deeper soil layers. Trusses, on the other hand, are engineered to distribute weight evenly across the structure, so they can often handle additional loads without as much fuss.
Of course, every situation is different, and you'll still need to check with an engineer or contractor to be sure. But from personal experience, I've seen truss-built roofs adapt surprisingly well to eco-friendly upgrades. Plus, if you're ever thinking about insulation upgrades, trusses often leave clear channels for ventilation, which can help prevent moisture buildup and extend the life of your roof.
Anyway, it's great you're thinking ahead about this stuff. We didn't plan ahead either, and I wish we'd known more before diving in. Would've saved us a few headaches... and maybe a few weekends crawling around the attic!