A: Please specify your finished opening size, in width x height. We need precise measurements to begin fabrication, so do NOT deduct from your finished opening size. You may, however, specify a floor clearance other than the standard 9/16” if you prefer. (For Series 2100 and 3300 doors, specify exact finished opening size only.) Multiple height measurements across the width of the door are recommended, and if there are variations in those heights, please specify them upon ordering.
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