To Add Insulation or Lining on a Duct or Duct Fitting

You can add 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. Add duct, as explained in Drawing a Duct Run.
2. Enter a value in the Properties palette Advanced Lining Thickness or Insulation Thickness.