Rectangular windows and doors
- 1. Choose TRACK_WIDTH or POLE_USABLE_WIDTH.
- 2. Measure the complete usable width.
- 3. Measure from the intended heading position to the finished hem.
- 4. Repeat every measurement before continuing.
Use centimetres. For a normal window, enter the complete track width or usable pole width and the finished drop—never the width of an existing curtain.
You will need base width, peak height, both verticals, both slopes, fixing position, opening direction and photographs. These jobs always stop for technical approval.