Select either New or Change in the Cost estimate dialog to define the parameters of a protection layer (a layer protecting the designed structure against corrosion and chemical impact, or providing the structure with an aesthetic aspect, such as zinc coating, anti -corrosion paint, and varnishing).

To define parameters of a new protection layer, do the following.
- Enter the name of the group
- Define the price
- Define the transportation price
- Select the unit and currency
- Press the OK button.
The new protection layer will be added to the list of available protection layers presented in the Cost estimate dialog.