US Aluminum: 3253 Triple Glazed Curtain Wall
Series 3253 Triple Glaze Curtain Wall 
The 3253 incorporates dual thermal barriers to create a very efficient system that exceeds the CSA A440 and DoE Building Energy Code requirements.
The 3253 curtain wall has a 2 ½” profile with an 8” total depth and a deep glazing pocket to accept a 2” insulated triple glazed unit. Designed towards fabrication efficiency the system is dry glazed and features a pressure bar glazed pocket. The 3253 is an outside glazed, shear block erected system with injection molded end dams to control infiltrated moisture. Dual or two-tone colors can be achieved by specifying different finishes for the exterior face caps and interior mullions.

- 2½" x 8" System
- Best-in-class thermal performance with U Values as low as .22
- dual pour and debridge thermal barriers
- 2" Insulated triple glazed unit • Shear block assembly
- No exposed fasteners
- One or two-piece horizontals available
- Available in an array of architectural coatings and anodized finishes
United States Aluminum pushes the building envelope in terms of energy efficient façade technology Read more about the best-inclass curtain wall. . .
The United State Aluminum logo and Curtain Wall Series 3253 are trademarks of United State Aluminum Corporation.