I am doing preliminary design of a garage and have a question for the
smart guys here:
The building will be of frame construction and will be 25' wide. I would
like to put a loft with a plywood deck over a portion of the main floor--the
dimensions of the loft being 25' square. The loft would be used for light
storage with weight being exclusively on the sides and no appreciable
weight in the center. I could tolerate some floor bounce if need be.
Here's the question: What size floor joists or fabricated wood trusses
would I need to adequately support the loft without any columns to the concrete
floor below--in other words using a free span--and on what centers would
they need to be?
I have read from one site that 16" floor trusses on 24" centers will span
27-1/2'. Any input appreciated.
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