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- DictionaryJoist/joist/
noun
- 1. a length of timber or steel supporting part of the structure of a building, typically arranged in parallel series to support a floor or ceiling.
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- Joist
Horizontal structural element transferring load from flooring to beams, typically running perpendicular to beams
A joist is a horizontal structural member used in framing to span an open space, often between beams that subsequently transfer loads to vertical members. When incorporated into a floor framing system, joists serve to provide stiffness to the subfloor sheathing, allowing it to function as a horizontal diaphragm. Joists are often doubled or tripled, placed side by side, where conditions warrant, su... Wikipedia
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