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floor truss
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  1. Building & Construction
    I've just boxed in floor trusses with 5/8 plywood to stiffen them up. They are 14" deep and span 20.5 feet covering a total of 294 sq ft under an office above a garage. The ply is screwed and glued to each side with cutouts for a 7" hvac duct and wires. I also added two rows of 2x4's at 1/3 and...
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