CT452 2″ x 4.5″ Center Glazed Double Thermal Break Storefront System for 1″ Glazing

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CT452 2" x 4.5" Center Glazed Double Thermal Break Storefront System for 1" Glazing

Product Description

Trulite Glass & Aluminum Solutions’ CT452 Storefront is engineered to provide simple fabrication, easy assembly and problem free installations in an easy to use, economical flush glazed framing system. The 2″ x 4-1/2″ center glazed thermally broken system is available in a screw spline assembly and is ideal for single span non-thermal storefront applications. The system has options for interior glazing lending itself to the varying needs of our customers. The CT452 can be glazed with 7/8″or 1″ insulated glazing infill. Trulite’s 200, 300 & 500 entrances are easily integrated into this system.

Applications

The CT452 Hi-Performance Thermal Storefront System is designed for energy-efficient commercial, retail, and institutional projects where maximum thermal performance and durability are essential:

  • Retail and office storefronts – Delivers a clean, modern appearance while minimizing energy loss.
  • Schools, municipal, and government buildings – Offers robust structural performance and superior thermal insulation for demanding public facilities.
  • Healthcare, hospitality, and mixed-use developments – Provides comfort and condensation resistance in high-traffic environments.
  • New construction and retrofits – Integrates easily with Trulite thermal doors and curtain walls for a unified façade solution.

Features

  • 2″ × 4-1/2″ Center-Glazed Framing – Optimized for 1” insulating glass in commercial and institutional applications.
  • Double Thermal Break Design – Hi-performance configuration uses a continuous thermal barrier and Thermal-Strut for the pocket filler to isolate interior and exterior surfaces.
  • High-Performance Sill Flashing – Enhances water management and system longevity.
  • Exterior Glazing – Ensures proper installation and performance under demanding conditions.
  • Designed for Trulite Thermal Door Integration – Seamlessly connects with Trulite’s thermal entrance systems.
  • Shortest Lead Times in the Industry – Meets tight project schedules.
  • Premium Finishes – Available in Architectural Class I and II anodized coatings or AAMA 2604/2605 high-performance organic coatings for long-term aesthetics.
  • Single-Source Compatibility – Works with Trulite entrances, curtain walls, and glazing accessories for a cohesive system.

Performance

  • Air Infiltration (ASTM E283) – Does not exceed 0.06 cfm/ft² at 6.24 psf static pressure.
  • Water Resistance (ASTM E331/AAMA 501) – No uncontrolled water infiltration at 15 psf.
  • Structural Performance (ASTM E330) – ±50 psf design pressure; maximum allowable deflection of L/175 for spans up to 13’-6” and L/240 + ¼” for greater spans.
  • Thermal Performance – U-factor as low as 0.43 Btu/hr-ft²-°F (NFRC 102); Condensation Resistance Factor (CRF) Frame = 56, Glass = 62.
  • Acoustic Ratings (ASTM E90) – STC = 33; OITC = 27 for improved sound control.
  • Thermal Movement – Handles temperature swings up to 180°F (82°C) without compromising seals or performance.
  • Durability & Warranty – Backed by Trulite’s two-year standard manufacturer’s warranty.
  • System Integration – Concealed #14 hex fasteners, compatible mullions, and accessories ensure cohesive assembly and performance.
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