I have a 1981 AS 24.6 ccp with a cuddy.I have been restoring it for 8 years.I have purchased a fiberglass kit with gel coat coloring paint that matches.Recently I hit the bow on a dock and now need to repair the glass and reattach the black rubber rub rail.It is my first attempt at repairing a top section of glass.The instructions in the kit are vague.Please spell it out to me in laymans terms.Example.remove rubrail by???...sand the damaged part using 220 paper,or grind out section with a blank,blank....apply filler????Do I use filler in other words...????Apprectiate the advice Thanks, Randazzo N.J