Purlin - Open web joist tab

Tip: Alternatively, instead of a standard shape you can also use a joist girder (Structural Objects > Joists) the template of which can be selected in this tab.

Setting	Description
Use open web joist	When checked, uses open web joists created from selected template instead of shapes. The templates selection enabled.
Templates	Allows selection of open web joist templates from available list.
Create Joist Template tool	Opens `Joists` dialog where you can create the open web joist template to use.