iSPAN™ is the World's First Symmetrically Shaped,
Variable-Gage, Light Steel Floor Joist for Residential
and Commercial Building Construction. It's Optimized
Strength, Superior Performance, Practical Features
and Simplicity make it the Most Trade-Friendly Floor
Building System Available.
ispan floor joist construction information
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Another Breakthrough Building Innovation by
ispan floor joist systems by Genesis
Utilized in many BuildingToGo.com online plans