3 Panel Matte Black Aluminum Multi-Sliding Patio Door with Double Glazed Low-E GlassAbout This Product The Aluminum Sliding Door is an ideal solution for seamlessly integrating indoor and outdoor spaces. Compare to traditional vinyl products, thermal break aluminum outperforms in durability, structural strength as well as energy efficiency performances. We offer large size options up to 144 in. width, bringing in more sunlight as well as your beautiful garden view. Engineered with precision, the door offers comprehensive sealing