System Homes

Steel-Line Garage Doors, located in Winnellie, Northern Territory, has been a trusted provider of custom and standard garage doors for over 45 years, serving both residential and commercial clients. With a diverse range of products including sectional doors, roller doors, and specialty options, they cater to unique design preferences and specific functional needs. In addition to their extensive collection, Steel-Line offers innovative solutions such as the Smart Opener and Mammoth Modern Insulation, enhancing energy efficiency and convenience for homeowners. Their commitment to quality craftsmanship and a wide selection ensures that every door is tailored to meet the demands of Australian homes and businesses. Generated from the website

We manufacture right here in Darwin, we know what works. We offer expert consultation and a range of trusted products including Security Window & Door Screens and Glass Windows & Doors. Available in a great range of colours and styles, you can keep your family secure while maintaining a stylish, contemporary design.