Frosted Components Many special treatments and finishes may be specified to add even more drama, continuity and enhancement to an UltraGlas installation. Sand Frosting provides added diffusion and privacy, as well as a soft, satin “Lalique” appearance. When desired, frosted areas may be sealed to achieve various effects and to reduce maintenance requirements. Etched Components Glass etching can add a highly dimensional linear or textural appeal. This technique is often employed in Signage applications, where it can accurately represent very specific letter forms and other information.