Therml=Block 300ES Curtainwall from Tubelite Inc. is manufactured using Eco-Luminum, a high recycled-content aluminum billet composition featuring environmentally friendly finishes. The curtainwall features a 1 1/2-inch thermal strut and accommodates 1-inch-thick insulating glass. It provides a 0.46 U-value for thermal transmittance. The aluminum-framed exterior face displays a 2.24-inch sightline with an overall system depth of 6 inches.

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