Preparation and safe access matter especially on a large motorhome. Washing, decontamination and optional polishing follow each substrate.

Exterior coating can support UV and chemical resistance and easier cleaning, but does not prevent scratches or create a self-cleaning surface.

Glass protection is a separate optical and wiper-compatibility decision. Interior surfaces also require products approved for their use.

“Ceramic” is not proof of installer exclusivity or product quality. AVP relies on current documentation and controlled application rather than the unsupported claims added to the old article.