The CGI® Sentinel Series 150 Sliding Glass Door is an impact resistant door available in many sizes, including two-track (up to 4 panels), three-track (up to 6 panel), and four-track (up to 8 panel) configurations with or without pocketed doors and individual door panels as large as 4 ⅛’ x 10’. These sliding glass doors include standard features not typically offered in competitive products, such as concealed installation fasteners and mitered corner detailing for aesthetics, tandem stainless steel rollers and fasteners for strength, a Class I anodized sill track, and an extruded screen that is built as tough as many door panels. It’s the perfect versatile choice for your home.