ProStructures Help

Joists - Dimensions tab

SettingDescription
Length Sets the length of the open web joist.
Height Sets the height of the joist.
Inner distance Sets the inner distance for the shapes in transverse direction.
Calculate spacing When checked, the selected shape calculates the distance for the vertical and diagonal components. The Inner distance is disabled.
Roof angle Sets the roof pitch of the saddle roof joist. It's either divided on both sides or continuous.
  • Continuous roof slope – Enabled for a non-zero roof angle When checked, builds the joist as desk roof.
Seat height Sets the height of the lateral seats.
Seat length Sets the length of the seats for both, -Left side and Right side, separately.
Lower retreat Sets the lower retreat referring to the upper left / right length for both, -Left side and Right side, separately.
Upper shape offset Sets the upper shape offset above the selected length for both, -Left side and Right side, separately.
Lower shape offset Sets the lower shape offset for both sides, -Left side and Right side, separately.
Dynamic When checked, the joist  rebuilds the shapes immediately after modifications.
2D Display Displays the joist in 2D centerline depiction, without creating any element or 3D-shapes, The display depends on the view direction.