Job Description:

• 1) Casts composition stone and applies it over surfaces of structures to provide decorative coating: Nails tar paper and lath over wall to be covered.

• 2) Mixes and spreads mortar over lath with trowel, to form base for precast stone.

• 3) Measures wall surface and marks lines with straightedge to lay out prescribed pattern.

• 4) Lines interiors of molds with treated paper to prevent sticking and sprinkles pulverized coloring over paper.

• 5) Fills molds with composition-stone mixture to produce stones of various sizes and shapes and allows mixture to set and absorb coloring.

• 6) Positions molds along guidelines on wall, according to prescribed sequence for color and size.

• 7) Presses molds in place to force out surplus water and to set stone.

• 8) Removes molds and peels paper from surface when precast stone and mortar have hardened.

• 9) Trims precast stone with caulking trowel, to fit corners, edges, and other structural shapes.

• 10) Directs workers who mix mortar for plaster and composition stone, and prepares molds, following factory specifications.

• 11) May smooth surfaces with waterproofing tool and buffer.