Contents are all patio door handles the same size?
How to measure for security door. Measure from top to bottom on both sides of your door frame, outside the door looking in. Deduct 10mm from the narrowest height, a bug seal can be attached to make up any gap. The lock side is determined from the outside looking in door widths:
Measure width from the top, bottom, and middle of the door frame as shown. This video shows you how to correctly measure an entry way and determine which unique home designs security doors will. How to measure a unique home designs security screen door.
Measuring for a new security screen door: