Surfacing Materials: Joel Berman Glass StudiosBerman Resin from Joel Berman Glass Studios offers a selection of five, signature, kiln-cast glass, texture designs and two designs that are available for the first time in resin. Shown here is "onda," one of the original textures. Berman Resin is available in acrylic and PETG in panels up to 96-in. high by 48-in. wide and standard thicknesses of 1/4 in., 3/8 in., and 1/2 in. Thicknesses from 3/4 in. to 2 in.also are available on a custom order basis.