With Sentinel by CGI customers benefit from exceptional quality, craftsmanship, energy efficiency and durability at an affordable price.
Whether considering hurricane impact-resistant windows and doors for a home or business, the Sentinel Collection is the best of all worlds – aesthetically appealing, functionally proven and uniquely affordable.
As the best-selling brand of impact-resistant windows and doors in America, our WinGuard® products exemplify our clear purpose of safety, beauty, and strength. Both our WinGuard® Aluminum and WinGuard® Vinyl lines offer innovative designs, UV protection, and impact-resistant strength that stands the test of life. And with more than four million WinGuard® products installed around the world, we’ve received zero reported impact failures.