So what exactly are you using for this "lip" is it the 2" garage door weather seal?
The one's I have seen on eBay are a EPDM Rubber type and have the 3M tape already applied.
2012 F-150 EcoBoost 4X4 (work truck)
Focus S #1, Sedan Revolution #192, Rally Revolution #8, March 2012 SOTM
Focal Distortion, a Ford licensed club and FSC member.
Sgt, USMC (1999-2003)