Polystone® is an extremely versatile product used in the manufacturing of almost any sign. Polystone® sign monuments are prefabricated from Styrofoam, urethane, and acrylic stucco to meet your needs and specifications. With our talented sales, design, and fabricating staff, Masterwork Sign Systems® will make the process of buying, designing, and installing your new Polystone® sign a pleasant experience. Polystone® signs can be shipped anywhere in North America. When they arrive at the job site, they are ready for installation, which will only take a few short hours (not days).