To add a double sided wall, follow the steps below:
1. Once you have started a new plan and have already added your walls, go to Insert Catalogue Items Walls Selector.
2. The option to add a double sided wall or a half height double sided wall will be available (Note: If this doesn't appear for you, your advanced graphics will need updating).
3. You can now add the double sided walls via the usual methods.
4. You can also turn off the double sided function of a wall. First you need to highlight the wall.
5. In the Items tab, go to Settings and click the Double Sided option. This will now be unchecked and this function will be turned off.