Inside Width: 9 7/8″ (250mm)
Inside Height: 8 1/4″ (210mm)
Frame Width: 12 1/8″ (310mm)
Frame Height: 10 5/8″ (270mm)
The interior measurement refers to the portion of the door that fits into the opening. We recommend making your masonry rough opening 3/4″ larger than the interior dimensions.
Gasketing and mounting screws are included with the door.