Integrity Doors & Engineering are the ones you need for your Industrial and Commercial Door needs. As you can see by this Photo, this Roller Shutter required urgent Repairs. A couple of broken endclips allowed a horizontal Door Slat to move across and get caught in the Track during its downward operation. Integrity Doors & Engineering promptly attended Site, so our Client had Security of the premises overnight. Whether its Roller Doors, Door Shutters, Panel Doors, Sliding Workshop Doors, Commercial Carpark Doors etc – call Integrity Doors & Engineering. Specializing in Door Installation, Repairs, Maintenance and Motorization. Our experienced and diligent Service Technicians pride themselves on quality workmanship, safe work procedures and site compliance. Commercial and Industrial Door Repairs Adelaide, SA area. Integrity Doors & Engineering has been in the Industrial and Commercial Door industry for over 21 years. We pride ourselves in offering a reliable, prompt and professional service to our valued Clients. Free Metro Quotes. Emergency Repairs. Servicing ALL AREAS of SA.