<strong>Yahoo Message Number: 15301</strong>Bob,<br/><br/>I would follow Steve's prep instructions, watching out for melting the plastic.<br/><br/>I have had excellent results with a product made by Rustoleum called "Plastic Primer." Following the application instructions, two coats of Rustoleum "Navaho White," worked great on my refrigerator roof vent. I am a big fan of Krylon, but not of mixing brands;...