Measure your window opening (Diagram 1) or if there is a frame around your window refer to Diagram 2.
Angled or Corner Window
Back Wall Measurement (BWM) required as shown
From Corner of wall to the end of each window opening
Wall angles required also.
Pelmets will be manufactured allowing for a 100mm overhang past the window on each side. For Corner or Bay windows there will be 100mm overhang on the left window and the same for the right window. Windows with architraves will require less overhang on each side
If more or less required please specify.
Return sizes (protrusion from the wall) are 50, 75, 100, 150, 200 and 240 mm.