Commercial Architectural Accessories & Door Trim When it comes to buying architectural and door trim accessories for your facility, you need products you can trust from door opening experts you can count on. ASSA ABLOY offers a wide product range that can cover your door from top to bottom, all while providing aesthetic, intelligent and sustainable door solutions. ASSA ABLOY DSS makes it easy to complete each door opening based on the specific application required. Openings are made up of many parts, all reliant on the other for overall product performance and durability. Let ASSA ABLOY work with you to customize your openings today!