To Change Insulation or Lining on a Duct or Fitting

You can add or modify insulation or lining (or both) to duct segments and duct fittings in a duct run.

Note: Insulation and lining are treated as annotation only. You can only view insulation and lining on duct displayed as 2-line.

1. Select one or more duct segments or duct fittings.
2. In the Properties palette Advanced, modify the lining or insulation thickness.

You can also add insulation or lining automatically as you draw duct runs.