Advanced Window & Door sells and installs residential and commercial replacement doors and windows for clients in Pittsburgh. It offers an assortment of custom wood, fiberglass, and steel doors and it also produces and installs custom architectural millwork. The company provides various window styles, such as casement, bay and bow, sliding, and awning. Owners Steve and Kelly Cherepko have more than 30 years of combined experience in the window and door replacement industry. The family-owned and family-operated company also holds an EPA lead-safe certification.