Hy-Lite®, a U.S. Block Windows Company, is proud to be the leading manufacturer of privacy windows in the United States. Hy-Lite offers a wide selection of customized, pre-framed acrylic block windows, glass block windows and decorative glass windows. Unique, stylish, and made with pride in the U.S.A., these dazzling privacy window products are more than just windows. They're jewelry for your home!