United States Slimline Aluminum Window System market size was valued at US$ 412.6 million in 2024 and is projected to reach US$ 567.2 million by 2030, at a CAGR of 5.5% during the forecast period 2024-2030. Lightweight, narrow-profile window frames made from aluminum, designed to maximize glass area and minimize visual obstruction while providing durability and weather resistance.Download FREE S..