Specifies the material of the insulation. If Insulation Specification is set to use the insulation defined by the equipment object, this field cannot be changed. However, if Insulation Specification is manually defined, select the insulation material from those available from the reference data.
The list contains the last five insulation materials selected. Click More to browse the catalog for the insulation material to use. If you set this field to Not Insulated, the Insulation Thickness field is disabled. If you set this field to Use Run Material, the along leg feature inherits the insulation material from the duct run.
To change the options on the list, edit the Insulation Material select list in Catalog.