Creating exposed rafter tails


Reference Number: KB-00488
Last Modified: August 25, 2016

The information in this article applies to:

Chief Architect Premier


QUESTION

I would like to display exposed rafter tails in my exterior 3D views and elevations. How can I do this?



ANSWER

Rafter tails are rafter ends that overhang the bearing walls and are located under the eaves. They can be the full rafter depth or trimmed to the depth of the soffits and sometimes feature decorative profiles. Rafter tails can also be fully exposed, or partially enclosed by soffits.

This article assumes you have already specified your Roof Framing Defaults.


To create fully exposed rafter tails


  1. Open the plan file in which you would like to create exposed rafter tails.

    Note: The following steps assume that you have not yet created roof planes. If your plan already has a roof built, Group Select all of the roof planes that will have exposed rafters and complete the steps described in the Roof Plane Specification instead of the Build Roof dialog, exclude putting a checkmark in "Build Roof Planes".


  2. Select Build> Roof> Build Roof  and in the Build Roof dialog:

    • On the Roof panel put a checkmark in Build Roof Planes.

    • On the Structure panel put a checkmark in Build Roof Framing
      *In previous versions you would have to build framing after the roof was generated

    • Next, remove the checkmarks from the following:
      • Soffits
      • Eave Sub Fascia
      • Gable Fascia
      • Eave Fascia
        *in previous versions the Soffits checkmark was on the Options panel and the Fascias were on the Framing panel.




    • If a decorative rafter end is going to be used go to the Rafter Tails panel and click Add New to browse the library for a suitable rafter tail profile. Rafter tails can be found in Chief Architect Core Catalogs> Exteriors> Exterior Attachments> Rafter Tails.

    • If the decorative end extends past the roof plane, the Extend value can be modified to adjust this.



    • Click Ok to close the dialog and generate the roof.


  3.  On the Question message that appears click Yes if you want to see the Roof Rafters displayed in Plan view. Click No if you do not want to see the rafters.


  4. Select 3D> Create Perspective View> Perspective Full Overview  to view the structure.




  5. Framing layers are not turned on in camera views by default. To turn on roof rafters select Tools> Layer Settings> Display Options .


  6. In the Layer Display Options dialog, verify that Camera View Set is selected in the Layer Sets drop down menu. Type 'rafter' into the Name Filter field to filter out all layers that do not contain the word 'rafter'. Put a checkmark in the Disp column for the Framing, Roof Rafters layer and click OK.





To create partially exposed rafter tails


  1. Open the plan file in which you would like to create exposed rafter tails.

    Note: The following steps assume that you have not yet created roof planes. If your plan already has a roof built, Group Select all of the roof planes that will have exposed rafters and complete the steps described in the Roof Plane Specification instead of the Build Roof dialog, exclude putting a checkmark in "Build Roof Planes".


  2. Select Build> Roof> Build Roof  and in the Build Roof dialog:

    • On the Roof panel put a checkmark in Build Roof Planes.

    • On the Structure panel:

      • Put a checkmark in Build Roof Framing
      • Remove the checkmark from Trim Framing to Soffits
        *in previous versions the this was on the Framing panel
      • Make sure there is a checkmark on Soffits
        *in previous versions the Soffits checkmark was on the Options panel
      • Specify the desired Fascia and Sub Fascia Depths.
        *in previous versions the this was on the Framing panel




      For this example:
      • The Gable Sub Fascia depth is set to 3"
      • The Eave Sub Fascia depth is set to 2"
      • The Eave Fascia depth is set to 2 1/2"

      The Soffit height is determined by the depth of the Gable Sub Fascia.

    • If a decorative rafter end is going to be used go to the Rafter Tails panel and click Add New to browse the library for a suitable rafter tail profile. If the decorative end extends past the roof plane used the Extend setting to adjust it.



    • Click OK to accept the changes and close the Build Roof dialog.


  3. On the Question message that appears click Yes if you want to see the Roof Rafters displayed in Plan view. Click No if you do not want to see the rafters in plan view.


  4. Select 3D> Create Perspective View> Perspective Full Overview  to view the structure.



  5. Framing layers are not turned on in camera views by default. To turn on roof rafters select Tools> Layer Settings> Display Options .


  6. In the Layer Display Options dialog, verify that Camera View Set is selected in the Layer Sets drop down menu. Type 'rafter' into the Name Filter field. This will filter out all layers that do not contain the word 'rafter'. Put a checkmark in the Disp column for the Framing, Roof Rafters layer and click OK.