Hi there. I have some really, really old patio doors where the glass retainer strips around the window panes is coming out (on one door, they're all completely gone!). These are aluminum, and I suspect not made anymore. The windows are double-pane and really heavy.
Paul from SWISCO responded:
June 7, 2019
Thanks for the inquiry. I can't quite make out the depth of your glazing, so I would start your search by looking over the 55-306. Let us know what you think.