Dave Sr. from SWISCO responded:
June 3, 2015
Here in the Philadelphia area, we have steel storm door manufactures. They all seem to use the 40-015 closer which has a torsion bar attached to the closer cylinder. We also carry a white version, our 40-128. Also, normally you use only one closer per door mounted to the middle or top of the door frame.
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Dave Sr. from SWISCO responded:
June 9, 2015
If you are talking about the gap between the storm door and the interior prime door were the jamb bracket is mounted, you would need minimum of 2-1/4". The manufacturer suggests 2-1/8" but I personally like to have a little wiggle room. It's up to you. We also have instructions on how to install the 40-128, this may help.
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