Airstream 1" Orange Belt Line Trim Insert, 50 Foot Roll - 684706Airstream 1" Orange Belt Line Trim Insert, 50 Foot Roll 684706 1" wide replacement vinyl rub rail insert for some 1970's and prior Airstreams. Maximum roll length is 50 feet. Use with Airstream Aluminum Extrusion 101388 01 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