2500XT THERMAL CURTAIN WALL
Commercial Aluminum System

The Capitol 2500XT Thermal Curtain Wall System is our premier solution for commercial projects demanding exceptional thermal performance and structural integrity. It is meticulously engineered for large openings and demanding building envelopes.
It features a sleek 2-1/2" sightline and is designed with an advanced 15/16" thermally broken polyamide strut that effectively separates hot and cold temperature transfer, significantly improving thermal U-value and overall energy efficiency.
This outside glazed system seamlessly integrates with Capitol's window and entrance systems for enhanced building design and functionality. Its versatile framing members are available in multiple back member sizes to meet specific load requirements, with the option for internal steel reinforcement for added strength.
Key Features & Benefits
- Advanced Thermal Performance: 15/16" thermally broken polyamide strut dramatically reduces heat and cold transfer.
- Design Versatility: 2-1/2" sightline with multiple back member sizes and optional internal steel for enhanced structural integrity.
- Integrated Solutions: Designed to incorporate Capitol's FRP and aluminum doors, operable window inserts, and integral miniblinds with access panel.
- Superior Water Control: Zone-glazed for exceptional resistance against moisture penetration.
- Aesthetic Options: Available in a variety of anodized and painted finishes, with custom projected and bull-nose face caps.
- Infill Compatibility: Accommodates 1" and 1-1/16" glazing infill thickness.
- Efficient Assembly: Features a concealed fastener, shear block assembly for streamlined stick erection.
Diverse Design OpportunitiesCustom arrangements and accessory integrations to meet aesthetic and windload requirements. |
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Frame Finish
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| Overall Sizes | 2-1/2" x 5-13/16", 6-13/16", 7-13/16", 9-1/16" |
| Back Member Sizes | 3-1/2", 4-1/2", 5-1/2", 6-3/4" |
| Sightline | 2-1/2" |
| Design Pressure (DP) | ±90 psf |
| Static Test Pressure (STP) | ±135 psf |
| Water Resistance | 15 psf |
| U-Value | .19-.34* (NFRC 100) |
| Condensation Resistance (CR) | 53-64* (NFRC 500) |
| Infill Compatibility | 1" and 1-1/16" |
*Note: U-Value and CR may vary based on glass make-up or infill type.
At Capitol Aluminum & Glass Corp., we are committed to delivering top-tier architectural products. The Capitol 2500XT Thermal Curtain Wall System reflects our dedication to quality, performance, and client satisfaction, providing a reliable and energy-efficient solution for your commercial curtain wall needs.
For detailed specifications, project-specific inquiries, or to request a quote, please contact us directly. Call (419) 483-7050 to speak with Project Specialist.
Experience the Capitol difference
– a promise of reliability and long-term satisfaction.
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