Paul from SWISCO responded:
September 27, 2016
Thanks for posting. Hopefully we can help! In the last twenty five years, storm door companies like Pella have found that designing plastic retainer strips instead of using the old fashioned storm door clips is less expensive. The problem is that every different door company and, even the same company in some cases, changes the retainer strip almost every year. That makes it next to impossible to stock them. With that in mind, I suggest using the old fashioned method, which is more flexible and, in my opinion, more reliable. You would install our 70-180 storm door clip with the 33-020 screw. You would need to drill a hole for the screw.
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