I think I got the pic on here now.
it's all in the pic. i was more asking about temporary door solutions for my exact situation in the picture, and a way to get it mounted reasonably solidly (enough for me to carefully go in and out) without actually screwing into what you see there. i was gonna concern myself with the size once i had an idea what to look for.From the post, I don't know what you mean about:
Out gassing rubber
What is the opening you have?
What is the size?
How do you expect to install it without attaching it to something?
this is perfect. i might order a couple of them. thanks!Zipper door. Less than $10 at Walmart.
Seal with plastic and install this zipper.