400TU Series Curtain Wall
- The 400TU Series Thermal Curtain Wall is an inside glazed curtain wall system designed for use in a wide variety of commercial applications.
- The system is designed for easy installation and design flexibility, allowing infill glass up to 1" to be glazed from the interior of the building.
- By design, the 400TU Series is energy efficient, incorporating a thermal barrier to improve thermal performance and help reduce heat transfer through the framing system.
- 400TU Curtain Wall has a 2-1/2" sightline and is available with a variety of back members and depths to accommodate different structural and design requirements. The system also offers a wide variety of snap cover options, providing flexibility in creating the desired exterior appearance.
400TU Series Curtain Wall Projects
ETSU Library
- 400 IG Series Curtainwall
- Location: Johnson City, TN
- Glazing Contractor: Keller Glass








