Defective
Platinum Member
Possibly bad news Roger...that 40 psf rating is definitely referring to the TOP of the roof, not the lower stringers. I work next door to Tandell Truss. The trusses they build with storage capacity ALL have much heavier lower stringers. From your pictures, yours have 2x4s. Don't put anything heavy up there. You shouldn't have any trouble with your own weight while putting things up & down tho...(unless you're too overweight to have helped install those trusses...
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I wouldn't use OSB for that (light) storage area. In my shop, I've put small sections (2' x 4') of 1/2" ply in strategic places for storage. But then, my ceiling is way too low. I can chin myself up to reach things.
I wouldn't use OSB for that (light) storage area. In my shop, I've put small sections (2' x 4') of 1/2" ply in strategic places for storage. But then, my ceiling is way too low. I can chin myself up to reach things.