Finally am asking a question about fiberglass repair on this website. Unfortunately, last summer Chris backed into a fence post and scraped the side of our 17B slightly, on the ridge between the upper and lower halves of the trailer frame. It’s just a small scrape (about 4 inches long), however it went deep enough to expose the interior wall. What is the best way to repair a fiberglass scrape or crack? I looked up some repair materials with Home Depot and found tub repair resin, Bondo repair resin (turns brown upon drying) and resin for boats. What is the best material? Also, after application, how do we smooth the scrape to shine it up and match the rest of the exterior? Sorry to ask so late, the holidays crept up on us! Our 17B is winterized now, but the repair (covered with duct tape), is still needed. Some help with this repair would be welcomed!