Trim For Patio Doors . Learn how to install decorative trim around a doorway for a quick, easy, and cost. Install a section of trim on each side of your patio door, and one. in this guide, we’ll walk you through the process of replacing exterior door trim, from removing old trim to installing new pvc components. discover the different options available for patio door trim. andersen® windows and patio doors have a number of exterior trim options. trimming an exterior door typically involves adding or replacing the door casing for aesthetic and protective. the exterior trim is known as brick mold, and it is installed in three sections. in this video, how to trim out a glass sliding door