Asked by: Sergej Macha
asked in category: General Last Updated: 7th May, 2020

What does BCI Joist stand for?

Engineered Wood Products

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Hereof, what does TJI joist stand for?

TJI stands for Trus Joist I- Joist (engineered floor and roof joist ; trademark of Trus Joist , a Weyerhaeuser Business) Suggest new definition.

Also, what type of wood are joists made of? Joists are either made of wood, engineered wood, or steel , each of which have unique characteristics. Typically, wood joists have the cross section of a plank with the longer faces positioned vertically.

Then, are I joists stronger than timber?

With respect to conventional framing (16 inches or 19.2 inches on center joist spacing), I- joists are 50 percent stiffer than solid sawn lumber . In terms of strength, for simple spans, an I- joist series with the lowest design values (PRI-20) can span to within inches of the strongest solid sawn lumber joist (S. Pine).

What size joist to span 20 feet?

Max. Live Load 30 lbs/ft2 (1436 N/m2)

Maximum Span (ft - in)
Nominal Size (inches) Joist Spacing Center to Center (inches) Lumber Grade
2 x 10 12 20' - 3"
16 18' - 5"
24 15' - 0"
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