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Figuring out roof support: choosing between rafters and trusses

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Posts: 17
(@literature393)
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- Trusses are engineered for specific loads—usually just the roof and ceiling, not storage. Even “beefy” ones can surprise you with how little extra weight they’re rated for.
- I’ve seen folks stack boxes up there and end up with cracked drywall or worse. The cost to reinforce is often way more than people expect.
- Rafters can sometimes handle light storage, but you still need to check span, spacing, and condition. Not all rafters are created equal.
- If you’re on a budget, I’d agree—renting a storage unit or decluttering is usually safer (and cheaper) than risking structural headaches down the line.


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gandalfrunner3101
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(@gandalfrunner3101)
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I get the urge to use that attic space, but honestly, trusses are a trap for storage. I learned the hard way—put a few bins up there and ended up with nail pops in my ceiling. Rafters can sometimes handle a bit more, but unless you know exactly what you’re dealing with (span, lumber size, age), it’s risky. If you’re set on using the space, at least get an engineer to check it out first. Otherwise, decluttering is way less stressful than dealing with cracked drywall or worse structural issues down the road.


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ray_young
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(@ray_young)
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That’s wild, I’ve always wondered if anyone actually uses those attic trusses for storage without something going sideways. Did you notice the nail pops right away or did it take a while? I’ve heard some folks try laying plywood over the bottom chords, but isn’t that just asking for trouble unless you know the load rating? Makes me curious—has anyone ever reinforced their truss attic for storage, or is that just a DIY disaster waiting to happen?


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johnyogi
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I’ve actually tried using my attic trusses for storage—thought it’d be a smart way to clear out the garage. I laid some plywood across the bottom chords, but after a few months, I started seeing cracks in the ceiling below and a couple of nail pops. Turns out, those trusses aren’t really designed for extra weight unless they’re specifically built for it. I looked into reinforcing them, but honestly, once you factor in the cost and hassle, it’s probably safer (and cheaper) to just keep the heavy stuff elsewhere. If you’re set on using that space, definitely check the load rating first... learned that one the hard way.


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dparker54
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(@dparker54)
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That’s interesting—when I was helping my uncle out, he wanted to use his attic trusses for storage too. We checked the plans and they were only rated for the roof load, not extra stuff. Out of curiosity, did you look into whether your trusses could be sistered or doubled up? I’ve heard some people try that, but it seems like a lot of work for maybe not much gain. I’m starting to wonder if rafters would make more sense for folks who want attic space, but then again, those can be pricier upfront...


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