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Utförande
Jamb extension is a groove on the inside of the frame where you mount an extension as the wall often is thicker than the frame. The groove for a Jamb extension is an option and is not standard on our doors.
Jamb extension is a groove on the inside of the frame where you mount an extension as the wall often is thicker than the frame. The groove for a Jamb extension is an option and is not standard on our doors.