Read also: http://www.skibuilders.com/howto/skicon/sidewalls.shtml See a video: https://www.youtube.com/watch?v=lDxt_OpwIwQ In a nutshell you should: 1) Clean the plastics with a wet cloth, or water and soap to remove dirt and grease stains. 2) Prep the sidewalls – all sides (first sand, then alcohol wipe and finally flame) , 3) glue them with epoxy to your core, profile … Continue reading Sanding and Flaming Sidewalls or the tip filler material for best epoxy adhesion