floor over 24" o.c. truss joists
You'll have to contact the truss manufacturer for the info you need. We generally work with standard floor joists not what you've got there. So these trusses span almost 40 ft.? There are no supporting beams of walls under there? I can barely see some number, but it all depends how the space will be used.
Someone here might be able to research for you, but I suggest talking to the people that built the system.
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Last edited by JazMan; 10-13-2011 at 12:05 AM.