Jack Truss

This week’s truss: Who is Jack Vertical?


Does this jack need a vertical or not? Assuming you want to keep the vertical but still save on material, how far from the end can it be?


Top and Bottom Chords are SP No 2

Wedge is SP No 2

Web is SP No 3


Building Code: IBC 2021


Loads (psf unless otherwise noted):

TC Live Load 20

TC Dead Load 20

BC Live Load 0

BC Dead Load 10

Application: Residential


Wind: 150MPH


Our answer will be posted on Thursday!

This is not a production truss! This is simply an example for Truss Tuesday conversation. Join the conversation on LinkedIn.

Updated Thursday, March 28th 2024

As it turns out, this Jack requires a vertical; however, it could be shifted left approximately 5′ to save on material.