With a distinctive 6-1/2″-deep interior profile, Tubelite Therml=Block® TU24650 Series Storefront aluminum framing systems enhance thermal and structural performance and allow for first floor openings up to 14′ high without steel reinforcing.Designed for street-level and low-rise applications in highly energy-efficient buildings, this storefront system features:• Thermally broken framing with dual-cavity poured-and-debridged (P&D) ultra-thermal barrier that improves thermal performance and helps prevent condensation• 2″ by 6-1/2″ aluminum framing profiles• Allowance for 1/4″ to 1-1/8″ exterior glazing or infill panels• Front-set, outside or inside flush-glazed• Screw-spline or shear-block constructionSave time in the field and reduce project labor costs with inside or outside glazing. Extra-heavy intermediate verticals are available for high-performance wind load requirements.Our storefront framing also is compatible with Tubelite Therml=Block® Standard Narrow, Medium and Wide Stile Doors. Durable anodized and painted finishes provide long-lasting protection and color options.This high thermal performance storefront is ideal for retail, office, healthcare, education and other commercial buildings.