GLASS ELEVATIONS Structure Glazing Work as Per Clients Specifications. Glass Thickness Supported: 5 mm, 6 mm, 8 mm, 10 mm, 12 mm, Toughened Glass. DGU Glass & Laminated. Proof of Excellence at Sparrow Concepts, Maintaining Quality is a Tradition which is Living with Passion. We Encourage Adherence to Safety Standards, Promote Ease of Applications, Strive to reduce Installation Time, and Help Our Clients Maintain Beautiful Interiors with a Wide Range of Napco Products