Yup Alan, sure looks like they suggest that the big lip be positioned away from the door lip. Check out these instructions...
http://www.brotherstrucks.com/tech/...THER+STRIPPING+INSTALLATION&index=12
which were the ones I had to use because Chevy Duty didn't include ANY instructions with the rubber I bought from them...


Larry Bear

55.5 Chevy 3100 Panel
In the Stovebolt Gallery