Fiberglass target parts accept a discrepancy of advantages over steel parts, on the contrary a extensive drawback: It cracks and shatters on encounter. Repairing the damage is also complicated than repairing steel, however is even child's play Sufficiently for the sample weekend do-it-yourself project. The repair boils down into a scarce lucid steps.
Grind the Area to Remove Paint
Incision diverse patches of fiberglass mat graduating in dimensions from inconsequential to large enough to involve the damaged earth completely with some overlap. In that facts has been removed from the component, this counsel has to be situate back to fill the crack and take the place of the missing material. Working from small to large patches will allow you to fill the defect with the maximum amount of fiberglass material, making a stronger repair and reducing prep time needed for additional body filler.
Mix and Apply Resin
The structural damage of an impulse can be dense to inspect at early. To receive a more appropriate essence how defective the damage is and to prepare for the repair, grind down the earth. Remove all traces of stain and grind an field 2 to 3 inches absent of the damage.
Cut Patches
Mix the two parts of your fiberglass resin. Use a paint brush to dab the resin onto the crack. Then, in a container large enough to hold the largest patch, saturate the smallest fiberglass patch and lay it flat on the crack, working it in to the crack with the resin-soaked brush and a dabbing motion. Once all the bubbles are worked out and the patch lays flat, repeat the process for the remaining patches and fill the crack to within 1/16 inch of the surface.
Allow the recommended time for the resin to cure before moving to the next step. This is critical to the success of the repair.
Fill and Smooth
After the fiberglass has cured, you are ready to fill any imperfections with regular body filler. Spread the filler out past the edges of the repair and allow to cure for the recommended time, then sand the filler, using progressively finer sandpaper until the surface is smooth. At this point, you should be ready to prime and paint as usual.