magnetic weatherstripping

At our choosing unit we have been trying to replace the weather stripping on our exterior steel clad doors. I recently purchased some " magnetic "weather stripping from Amazon but it wasn't thick enough so when I replaced the old stuff

there was a gap of about 1/8" that rendered it useless. As a fix , I attached some spongy strip to this to fill in the gap. What I need is magnetic weatherstrip that is at least 5/8" thick and fits into a kerf.

I am a member of our maintenance committee and we are planning to replace the weatherstrip in most if not all of our 75 steel doors. Can you help?.Attached is a picture taken of our front door after the fix.