Airstream 1-1/2" Dark Gray Rub Rail Trim Insert, 50 Foot Roll - 201653Airstream 1 1 2" Dark Gray Rub Rail Trim Insert, 50 Foot Roll 201653 1 1 2" wide replacement vinyl rub rail insert for Airstream Motorhome used with aluminum extrusion 101701 01. Maximum roll length is 50 feet. Installation Tip: Put the bottom lip into the lower track a foot or so at a time and then pinch the vinyl down enough to slip it into the top track then move on down the line and do a little more. There is no need to try to slide it through the