Questions and Answers for BEHR ULTRA 1 gal. #UL110-23 Polished Leather Semi-Gloss Enamel Interior Paint and Primer in One

A:  Hi GTL, Thanks for your questions! Our Marquee Exterior paint can be applied to a fiberglass door. To ensure the best adhesion, we recommend scuff sanding the surface, cleaning the door, then priming with the Kilz Adhesion Primer (https://www.homedepot.com/p/KILZ-ADHESION-1-gal-White-Adhesion-Bonding-Interior-Exterior-Primer-L211101/204763136?keyword=kilz+adhesion&semanticToken=212t00000+%3E++st%3A%7Bkilz+adhesion%7D%3Ast+cnn%3A%7B0%3A0%7D+cnr%3A%7B8%3A1%7D+cnb%3A%7B9%3A1%7D+oos%3A%7B0%3A1%7D+br%3A%7Bkilz%7D%3Abr+rt%3A%7Badhesion%7D%3Art+dln%3A%7B550829%7D+qu%3A%7Badhesion%7D%3Aqu) before applying your paint. Best Wishes! - Sara