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Use this calculator to help you work out how many sheets of plasterboard, GIB® branded plasterboard, gypsum board, wallboard, drywall you require.
To measure the room perimeter, add up the base length of each wall of the room. Example, your room has four walls with room dimensions of 4m x 5m. The perimeter will be equal to 4m + 4m + 5m + 5m =18m.
Base length is the length of the base of the wall you are measuring.