Fiberglass is a durable and lightweight counsel that's easily repaired. One of fiberglass' first characteristics is that a secondary bond, or repair patch, on a fiberglass fender can turn absent as durable as the authentic fiberglass. The damaged fiberglass is replaced with layers of advanced fiberglass news that's as thick as the surrounding fiberglass. Working with fiberglass can acquire messy, on the contrary it's relatively light to pick up. Done right, the repair Testament latest as elongate as remainder of the van.
Instructions
1. Grind absent damaged fiberglass with a die grinder. Once you chalk up all the damaged and frayed fiberglass ground down, gradually taper the edges of the damage as far as viable. This Testament consign the repair a maximum proportions of surface universe to bond to.
2. Sponge down the surface of the repair, using a rag damp with acetone. Let the acetone completely dry.
3. Contain the back of the repair from the inside of the fender provided it is a immense gap, using thick plastic. Secure the plastic to the back of the repair, using spray glue. This Testament deliver the wet fiberglass repair collar until it hardens.
4. Tear pieces of fiberglass mat the identical bigness as the repair, using as many layers as it takes To erect the fiberglass back up to its introductory thickness. Bring about Everyone layer 1/4 inch larger than the persist so the path of the repair Testament gradually taper instead of forming a protrusion.
5. Compound a batch of polyester resin in a small bucket, using Two percent catalyst and a paint stirrer. Wet the surface of the repair area with the resin, using a 4-inch felt roller. Apply the smallest layer of mat to the center of the damage and saturate it with resin, using the felt roller. Roll out any trapped air bubbles, using an air roller. Continue the process until all the layers of mat are applied to the repair. Let the fiberglass harden for two to three hours.
6. Sand the repair smooth, using a palm sander and 200-grit sandpaper. Wipe the repair clean, using a rag and acetone.
Let the filler harden for a few hours.8. Sand the filler with 200-grit, then 400-grit sandpaper with the palm sander. The repair will be level with the surrounding fiberglass and should be invisible when painted.7. Mix a batch of fiberglass filler on a scrap piece of cardboard, using Two percent catalyst. Work the catalyst into the filler so the mix is the consistency of putty. Apply a thin, even layer of filler over the fiberglass patch, using a putty knife.
