Alison Glass specializes in custom showers enclosures, bathtub partitions, frameless or framed. We are proud to be an authorized dealer of Guardian ShowerGuard products. ShowerGuard glass is backed by a Lifetime Limited Warranty. ShowerGuard’s patented technology permanently seals the glass surface, fighting corrosion before it starts. Services shown on the list are not limited to what we work closely with qualified contractors and architects to ensure satisfaction.