Great door but….. it does not fit our track (standard double glazed aluminium slider) so we have had to put packing in behind it to hold it in place. Also, the security pack does not work with the folding version. You end up drilling right through the hinge which pulls your screws way out of place, and at this location they don’t grab properly and spin. We will have to drill right through and put bolts in to hold the lock in place. The QR code in the booklet linking to the installation video is ...