What screw's do you recommend to use when installing GenStone?

We recommend following the screw and glue requirements below, to attain a satisfactory result. Use 6 each 1 ½” screws (GRK Brand R-4 or equivalent) every 8” along the shiplap on the top and right-hand side of each panel. Use 4 each 2 ½”(GRK Brand R-4 or equivalent) screws (4/panel) along the bottom 1-4” of the panel in the field face. Hide these screw heads under the profiles of the rocks.

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