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seen Sep 13 at 12:54

Jun
4
comment Connect Unistrut/Superstrut to the garage ceiling
Ah that makes sense. I like it. I think I'll go with the 2 1/2" screw and it'll just go through the truss. Thanks!
Jun
3
comment Connect Unistrut/Superstrut to the garage ceiling
1. That makes sense about the fender washer so I'll probably go with that. 2. I have living space above the garage so I think the lag screws will be screwed into the floor trusses which I believe look like this (abctruss.com/floor2.jpg). So it's basically screwing into the bottom of a flat 2x4. There's a layer of sheetrock as well. So 1 1/2" of wood + 5/8" of sheetrock + thickness of washer and unistrut is probably somewhere around 2 1/4" I'm guessing. So does it make sense to go with anything bigger than 2"?