General: Furnish and install as shown on plans, VARISTONE Shower/Bathtub shelf Model 572.300 as manufactured by E.L. Mustee & Sons, Inc. Shall be semi-gloss, 1-piece molded shelf using matched metal molds under extreme heat and pressure. Shall meet ANSI Specification Z 124-2017. Color: White. Requires a small amount of panel adhesive labeled for bonding to Bathtub or Shower walls. Apply the adhesive with either a 1/8” or ¼” diameter bead. Don’t use adhesive containing tar, asphalt, lacquer thinner or toluene.