Tubelite’s Therml=Block doors manufactured with EcoLuminum recycled aluminum

Contributing to environmental and energy-efficiency goals, Tubelite Inc. offers Therml=Block™ door products with thermal barriers.

These insulated doors and frames are manufactured using EcoLuminum™, a high recycled-content aluminum billet composition featuring environmentally-friendly finishes.

Therml=Block entrances dramatically reduce the transfer of hot and cold temperatures, block interior frost build-up and can be installed quickly,” says Mary Olivier, Tubelite’s marketing manager. She explains, “The door and frame utilize an I-shaped thermal strut reinforced with 25% nylon fiber. When matched with high-performance glass, Tubelite’s Therml=Block entrance systems dramatically improve performance in all categories, including U-factor and CRF. In addition, each assembled extrusion must pass a shear test of 1,000-pound minimum.”

The doors are available in both 4-inch Medium Stile and 5-inch Wide Stile. There also are options for a 4-inch, mid-rail and rabbet stiles for continuous hinge application. The meeting stile on a pair of doors includes Tubelite’s improved, adjustable astragal and standard weathering. The aluminum, thermal doorframe’s exterior face displays a 2-inch sightline and 4.5-inch depth. This new line can be ordered with Tubelite’s standard and custom, anodized and paint colors.

“The door and frames’ thermally-broken construction allows for different finishes to match both exterior and interior color schemes,” says Olivier. She adds that Tubelite’s painted finishes are applied and controlled in an environmentally effective manner. For low-maintenance durability, its eco-friendly anodize finishes send 90% less waste to landfills than traditional anodizing processes.

Because each profile extruded for Therml=Block door products is manufactured using Tubelite’s EcoLuminum, it contains a minimum of 80% reclaimed aluminum. Special requests for even higher recycled content can be provided, up to and including meeting specifications requiring 100% reclaimed aluminum.

Tubelite’s Therml=Block door products join the company’s other energy-saving products, which include the Therml=Block 300ES Curtainwall. These curtainwall and entrance systems can be paired with Tubelite’s daylight control systems, such as Max/Block™ Sunshade and aluminate™ Light Shelf. To learn more about Tubelite’s products and specific performance data, please visit


600450 Tubelite’s Therml=Block doors manufactured with EcoLuminum recycled aluminum

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