- New
021-54601-8 is an AP Products flat aluminum trim molding with a built-in channel for an insert. It measures 1-1/4 inches wide and 8 feet long, with a Polar White finish. Designed for RV exterior trim applications, it can be used at transitions between exterior panels and along the top or sides of a recreational vehicle. The insert channel provides a finished appearance over the mounting screws. Mounting screws, sealing tape and caulking are sold separately.