Our aluminum double hung windows are available in a variety of ratings, and offer ease of installation & operation with tilt-in upper & lower sashes for efficient cleaning and maintenance. All are available with integral fin or flange and a wide range of accessories.
3-1/4" 7000C
3-1/4" frame commercial rated aluminum double hung for replacement and new construction applications
3‑1/4" 8000CW
3‑1/4" frame CW rated aluminum double hung for replacement and new construction applications
3‑1/4" 8000HC
3‑1/4" frame heavy commercial rated aluminum double hung for replacement and new construction applications
4‑1/8" 9000HC
4‑1/8" frame heavy commercial rated aluminum double hung for replacement and new construction applications