Hi Craig,
There are 2 ways to add more rows in a table in Confluence:
Tables toolbar.png
To add another row, click the Add Row Above or Add Row Below button:
Add Row Above: 1 Add row before.png
Add Row Below: 2 Add row after.png
These methods work the same whether you are editing a normal page or editing a template.
You must be a registered user to add a comment. If you've already registered, sign in. Otherwise, register and sign in.