Framing A Floor Using "I" JoistsThis article teaches you how to build a floor for a house on a concrete foundation. This framing system can also be used for framing storage shed floors.This floor framing system is typical over basements and crawl spaces. Joist spans and spacing are determined by engineering that is published by the manufacturer.Every floor joist manufacturer has product literature and telephone support with engineered span and spacing tables specifying typical joist...
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