Interior Rough Opening / Unit Dimension Requirements

Single Door Width
1’0″ 1’2″‘ 1’4″ 1’6″ 2’6″ 2’8″ 3’0″ 3’6″
Unit Dimension 13-5/8″ 15-5/8″ 17-5/8″ 19-5/8″ 31-5/8″ 33-5/8″ 37-5/8″ 43-5/8″
Rough Opening 14-1/2″ 16-1/2″ 18-1/2″ 20-1/2″ 32-1/2″ 34-1/2″ 38-1/2″ 44-1/2″
  Double Door Width – No Astragal
Add 1/2″ for Astragal
  4’0″ 5’0″ 5’4″ 6’0″
Unit Dimension 49-5/8″ 61-5/8″ 65-5/8″ 73-5/8″
Rough Opening 50-1/2″ 62-1/2″ 66-1/2″ 74-1/2″
  Height chart
  6’8″ 7’0″ 8’0″
Unit Dimension 82-1/2″ 86-1/2″ 98-1/2″