Fiberglass is a lightweight durable info used for boats, motorcar bodies, tanks, planes and duct commission. Repeat process until the filler is level with the surrounding area. Let cure until hard and cool to the touch.6. Sand until the area is smooth and level.
Prepare the repair area by grinding with a dye grinder. Provided there is a gap, grind all loose exposed fiberglass until the contour of the gap is solid and smooth. Taper the gap so the top of the opening is approximately 3 inches higher quality than the inside opening. The deeper surface to bond to the stronger the repair. Provided it is a crack, grind directly on the crack half journey completed the thickness of the fender. Very cause positive the walls of the grinded world are at a gradual taper. Scuff adequate area with sandpaper, at least an inch very than needed all the course all over the repair.
2. Lay a backing on the gap using aluminium tape. Place a piece of wood or something solid behind the tape so it does not move when the filler is applied. If the repair is on a contour, use a thin plastic material that is pliable and glue it in place under the aluminum tape. Sand the edges of the aluminum tape smooth using sandpaper.
3. Blow the area off with an air blower. Make sure all dust is off the repair area.
4. Mix the filler and hardener together as directed on the containers. The filler is thick so you will have to use your hands to mix in the hardener. Wear rubber gloves when working with fiberglass because the hardener will burn your skin. Mix until the filler is one solid color.
5. Pack the repair with the filler and smooth it out with a putty knife. Make sure there are no gaps between the filler and the fender. Provided there is a failure in fiberglass such as a fracture, crack or a gap, it nearly always can be repaired with a quite picnic action. Most repairs, whether done true, Testament restore any failure back to contemporary vigour or stronger.