Perth's Trusted Experts in Aluminium Window Design and Manufacturing As one of Western Australia's leading specialists in aluminium windows, Custom Windows combines modern design with reliable performance. Our windows are crafted using high-grade Carinya aluminium frames, offering durability, strength, and contemporary appeal. The slimline profile allows more natural light into your home while maintaining superior insulation against Perth's diverse climate. From stylish sliding aluminium windows to fully custom-made designs, we ensure every window offers easy functionality and long-lasting quality. You can also enhance your installation with matching security screens and double-glazed glass options for added safety and energy efficiency. Every Custom Windows product is backed by our 7-year structural warranty, so you can have complete confidence in your investment.