Rocky Mountain Windows & Doors, Inc., has been serving clients in Sandy and nearby areas since 1994. It installs a wide variety of door styles, including craftsman, folding, high-end glass sliding, and multi-slide. The materials it uses are aluminum, composite, fiberglass, steel and rod iron, and wood. Additionally, it offers installation services on new construction and replacement windows. Paul Geertsen, the firm's president, has been in the window industry for over 25 years. He is a member of the National Association of Home Builders.