Home » Blog » Questions » Can I apply your coatings on exterior plastic, trim,windows and wheels? Can I apply your coatings on exterior plastic, trim,windows and wheels? Support Forum › Category: MD Coatings › Can I apply your coatings on exterior plastic, trim,windows and wheels? 0 Vote Up Vote Down Frank Staff asked 8 years ago Yes. Exterior plastic, trim, windows and wheels are fine for application all of our coatings.