Designed for mid- to high- rise commercial applications, the 2500 UT PLUS curtain wall system from Kawneer achieves overall system U-factor as low as 0.25 with a 0.20 center of glass value using a 1-inch insulating glass unit, supporting higher energy performance goals in code-leading markets, like Boston and Seattle, with a unitized design that streamlines installation. It offers design and application flexibility, with double or triple glazing options and captured or structural silicone glazing. It is also performance tested to meet the latest seismic standards.