Premium 4040 Curtain Wall Frame – 6061 T6 Alloy for Sliding Windows & Aluminum Door Profiles
High-strength
6061-T6 aluminum alloy
ensures durability, corrosion resistance, and lightweight performance for long-term structural stability. Precision-extruded
40mm x 40mm profile
with smooth surface finish, compatible with sliding windows, curtain walls, and modern door systems. Anodized coating enhances wear resistance and allows for
custom powder coating
(optional) to match architectural designs. Ideal for
commercial buildings, residential sliding windows, and industrial partitions
due to its load-bearing capacity and sleek aesthetics. Direct factory pricing with bulk discounts – global wholesale supplier with
lowest-price guarantee
and fast international shipping.