Basic 257 Series Pressure Wall System
This outside-glazed, 2½” wide system is a four-sided captured system, which utilizes concealed fasteners.
Available in a variety of depths, many of our mullions are also available in an optional open back design for ease of installation. With our “Single-Source Capability,” we can create any curtain wall to fit your needs with custom-designed mullions or snap covers.
- Specifications (pdf)
- Wind Load Charts (pdf)
- 257 (pdf)
- 257 with 282 (pdf)
- Technical Drawings