Systems

Kawneer’s 250T, 350T, and 500T Insulpour® Thermal Entrance Doors combine proven performance with enhanced thermal efficiency. Featuring IsoPour™ thermal break technology, these doors are engineered to meet the growing demand for energy-efficient, code-compliant entrances in commercial, institutional, and multifamily buildings.

Available in narrow (250T), medium (350T), and wide (500T) stile configurations, each model supports moderate to high foot traffic and accommodates 1″ to 1-1/2″ glazing. Triple-pane IGU options deliver U-factors as low as 0.42 BTU/hr/ft²/°F to meet progressive energy standards, including LEED and local Step Code targets.

Performance & Features

– IsoPour™ technology for superior thermal isolation
– Sightlines: 2-1/2″ (63.5mm), 3-1/2″ (88.9mm), or 5″ (127mm)
– 2-1/4″ (57.2mm) door depth
– Glazing: accommodates up to 1-1/2″ IGUs, including triple glazing
– Optional: dual finish, blast mitigation, hurricane resistance
– Compatible with Kawneer thermal storefront and curtain wall systems
– Ideal for exterior applications with energy code or comfort requirements

Model Overview

– 250T Narrow Stile:
Thermally broken slim-profile door for storefronts and office entries
Designed for moderate-traffic conditions with minimal visual impact
Maintains thermal continuity with narrow 2-1/2″ stile sightline

– 350T Medium Stile:
Balanced strength and efficiency for schools, hospitals, and public spaces
3-1/2″ stile provides enhanced hardware capacity and durability
Excellent choice for high-performance entrances in demanding climates

– 500T Wide Stile:
Monumental-style thermal door for government, institutional, and high-profile applications
5″ stile supports advanced hardware and delivers a bold architectural presence
Combines strength, appearance, and leading-edge thermal performance