Double-glazed, thermally broken, double-seal open wept system enhances thermal performance & effectively controls water drainage Thermally enhanced SF-60 channel glass walls can achieve U-value of 0.19 or lower SF-60 seamlessly integrates flat glass IGUs, providing continuous design lines Unique frame design requires the glass be captured at the head & sill only All components (head, sill, jambs) are visually identical for consistent, clean look Accommodates vertical or horizontal glass channel orientation, including a unique unitized horizontal configuration Accommodates all channel glass textures (60 mm flanges) Multiple frame configurations, including all-glass curves (min. radius = 7 ft. (2 m)) & corners Standard finish is 2-coat Kynar Arcadia Silver; custom colors available Supported by industry-leading technical design team Made in USA