D4540 and D4640 Series Compression Seal Sliding Doo
The D4540 and D4640 Series Compression Seal Sliding Doors are specifically designed for projects requiring elevated performance standards, featuring a 500Pa field water test rating. The D4540 integrates seamlessly with our 4 1/2" deep window wall systems, while the D4640 offers a 6" deep profile that pairs perfectly with our thermally efficient 9600 Series window wall.