Vitro Architectural Glass launched Solarban R77 solar control, low-emissivity glass. The building-code-friendly glass features a magnetron sputtered vacuum deposition coating, and delivers a solar heat gain coefficient of 0.25 in a clear 1-inch insulating glass unit. It also offers visible light transmittance of 47 percent in the same configuration, providing clear exterior views and illuminating interiors with soft, natural, neutral daylighting. Exterior reflectance is 25 percent.