Tubelite Inc. 14000 Series Storefront flush-glazed system helps meet low-rise buildings’ energy, daylighting and sustainability goals. Extra-heavy intermediate verticals may be specified for strong windloads. The system’s standard framing is available with thermally improved members for optimal strength and thermal performance and is compatible with Tubelite’s Narrow, Medium and Wide Stile Doors. The storefront and entrance systems’ aluminum can be extruded by Tubelite using EcoLuminum™, a high recycled-content aluminum billet composition with eco-friendly, durable finishes.