Polypropylene Bumper Fascia Repair

If extensive reinforcing or patching from the back is required use the following procedure.

1. Scuff the backside with grade 180 abrasives. Apply Polyolefin Adhesion Promoter.

2. Cut a glass cloth patch to cover repair area.

3. Mix a quantity of Rexible Parts Repair Material. Lay glass cloth on a clean surface. Use a squeegee to force the Flexible Parts Repair Material into the glass cloth.

4. Apply glass cloth patch to backside of repair area.

5. Apply additional Flexible Parts Repair Material over surface of glass cloth patch.





FASCIA REPAIR

1. Clean the repair area with soap and water. Remove grease and tar with solvent.





2. Grind the surface of the repair with 36 grit disc. Grind about 1-1/2" around the actual damage to obtain a taper for best adhesion.





3. Featheredge the paint around the repair with 180 grit disc. Wipe with a clean, dry rag and blow off with air.





4. Apply one wet coat of Polyolefin Adhesion Promoter over the sanded surface and allow to dry for 10 minutes.

IMPORTANT: It will be necessary to reapply Polyolefin Adhesion Promoter after any sanding step.





5. Mix Flexible Parts Repair Material according to the instructions and apply to the repair with a squeegee, building it up higher than the undamaged area. Allow it to cure for 20-30 minutes at 60-80~F.





6. After curing, sand with 180 grit disc followed by 240 grit disc.





7. Reapply Polyolefin Adhesion Promoter and let dry.





8. Fill sand scratches and pinholes with a skin coat of Flexible Parts Repair Material. (Do not use Flexible Parts Putty.) After curing, sand with 320 grit disc.

9. Reapply Polyolefin Adhesion Promoter and let dry.

10. Apply a double wet coat of Flexible Parts Coating. After a 10 minute flash time, apply a second double coat. Let dry 45 minutes and lightly scuff sand the coating with 320 grit disc. Apply color coats recommended for plastic body parts.