Insulation in material listings

You can create listings that describe the required insulation materials.

Simple reports use tags that include the insulation material and the insulation cover material: 'Dimensional description of object's insulation material' (.l8), 'Dimensional description of object's insulation cover material' (.l9).

The material calculations are always based on the quantity type of the part that is being insulated, so the insulation materials have a required length or required number of pieces.
Detailed reports use tags that include the additional insulation materials.

The material calculations are by default as follows: components are listed using length values, and wrapped pipe insulation, insulation boxes, and formed components are listed using area values.

If you want insulation boxes and formed components to display the required number of pieces, add the following code to the 'customize_rec' function of the PmMfile script in the library.
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```
 extramaterial_class_str = DM_GET_TAGVAL(rec, ".kc");
 if(extramaterial_class_str == "3"){
     DM_SET_TAGVAL(rec, "qty", "1");
 }
```