# Create Attic Roof Trusses ### Step 1 - Create and Insert a Component Refer to [Create Projects and Components](/design/how-to/general/create-projects-and-components.md#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'. {% hint style="info" %} Hint Place your cursor between the attic space and top chord to insert the web above the attic space. {% endhint %} 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.

{% hint style="success" %} **Tip** Use decimal feet for `Room Width` and `Room Height` . {% endhint %} 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` .

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