Terms of the Trade: What Is a Joist?
In the world of architecture and construction, joists are integral. They’re a series of strong lengths of lumber, steel or sometimes even concrete running parallel to the ceiling, floors and beams they support.
Read more: http://www.doityourself.com/stry/terms-of-the-trade-what-is-a-joist#.U0M7sFc-fAM
Frequently asked questions
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