Create an Attic Truss

Step 1 - Create and Insert a Component

Refer to Insert Profile Components for detailed instructions on creating and inserting a Profile Component.

Create Component and define the Basic Shape including heel height and truss geometry.

Click NEXT.

Review and adjust Structural Details.

Click INSERT.

Step 2 - Prepare Truss for Attic Space

Delete Webs

Select multiple webs simultaneously by pressing Ctrl and use a selection window to select all webs.

Press Delete .

Change Bottom Chord

Select B2 and press Delete which results in B1 extending to end of truss.

Select B1 and from the Properties Subpanel, change board size from 2x4 to 2x10.

Trim End Verticals

Select EV1 and trim to B1 by holding Shift . Select the top edge of B1.

Repeat with EV2.

Step 3 - Add Members to Define Attic Space

Define attic space.

Using Add Member , select the left heel as reference and place the web member creating the left side of the attic space. Change the location to Left Of Line.

Repeat this process for the right side wall of the attic space, and change the location to Right Of Line.

Use Add Member and input the ceiling member at the intersection of the vertical webs and the top chords.

Add and Save Vertical Dimension

Step 4 - Add Web Members

Using Add Member , select the left heel as reference and place the web member centered at 12'.

Repeat this process for the vertical webs at the left and right pitch breaks. Specify the location to Left Of Line and Right Of Line , respectively.

Use Add Member and input the webs at the End Vertical / Top Chord joint to the bottom of the attic space.

Step 5 - Define Attic Space Loading

Click Truss Settings and select Load Settings.

Check Attic Room and adjust the loading accordingly.

Click CHANGE SETTINGS FOR THIS COMPONENT .

Step 7 - Analyze Attic Truss and Review Applied Loads

Click Analyze (Ctrl + A).

Click Analysis and History , select a passing load case, and enable visibility for LOADS .