Jamb Stud Openings:
Square Set SR & Square Set DR:
Door height + 35mm (Depending on floor coverings)
Door width + 15mm
Vario Inswing:
Door height + 55mm
Door Width + 70mm
Shadowline:
Door height + 65mm
Door width + 90mm
Cavity Sliders:
Door height + 75mm
(Door width x 2) + 20mm