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. Click on the links below to view complete block color and frame availability details. We also offer Low E tinted Solar Blocks for reduced solar heat gain. Hy-Lite block is pre-assembled, so installation is easy. . .no grouting, no waiting. All block walls are covered by our full 10 Year Warranty.