The Dalhousie – Choose your layout
You are measuring the overall width and height of the door including the door, the frame and cill.
- WIDTH: Measure in 3 points; top, middle and bottom and take the smallest measurement and deduct 10mm.
- HEIGHT: Measure again in 3 points; left, centre and right and take the smallest measurement and deduct 10mm.
- DIAGONALS: Ensure the opening is square by measuring the diagonals. There should be no more than 5mm difference between each measurement.