From the Costings tab, choose or find the material item to be measured, the Unit of Measure will be m²

2. Choose the floor plan to line walls
3. Choose the appropriate shape for drawing e.g
 - Line tool
4.  Enter the wall height
5. Line all the inside walls, remember to double line interior walls
6. Click ''Accept and Save''

6. The line item has updated with the quantity
7.  And the total price based on the quantity
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