Page 1 of 1 Search Results View 12 24 50 All Per Page Hy-Lite®, a U.S. Block Windows Company Subcategory: Glass Block Hy-Lite block walls add beauty, light and privacy to exterior walls, as well as light pass-through and privacy for interior and partition walls. Learn More Page 1 of 1 Search Results View 12 24 50 All Per Page