Providing the beauty of a ceramic tile with the durability and structural integrity of concrete masonry, it offers a wide variety of colors and is resistant to soiling, chemicals, markings, impact, abrasion and much more. It is a perfect design solution for educational, veneer, medical, aquatic, and mechanical room applications. Innovative, cost-saving and high performance, Spectra Glaze is a pre-finished concrete block that can be used in a multitude of applications worldwide. Spectra Glaze concrete masonry units have set the international standard for glazed finishes integrally bonded to concrete block. Westbrook Concrete Block is proud to announce the construction of our new Spectra Glaze manufacturing facility in Westbrook, Connecticut.