http://www.ebuild.com/manufacturer-list/windows,-skylights--sunrooms/acrylic--glass-block-grid-systems.hwx http://www.ebuild.com/images/header/ebuild-logo-small.gif http://www.ebuild.com/ Products Listing en-us 2008-10-11T16:33:45-04 http://www.ebuild.com/manufacturer-detail//2367.hwx http://www.ebuild.com/manufacturer-detail//2196.hwx Hy-Lite Block Windows combine the beauty of glass block with the quick and easy installation of a standard window. Constructed of lightweight acrylic blocks, Hy-Lite windows are fully prefabricated and glazed units. Because there's no mortar, there's no mess, no delays, and no headaches. Hy-Lite uses the highest quality acrylic for its blocks. This acrylic won't yellow and resists scratching.