Step 5: Tamp Down Hypertufa

pack hypertufa into form
Photo: Jennifer Levy
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As you pack the hypertufa mixture up the sides, periodically tamp it down with a flat piece of wood to get rid of any air pockets. Continue adding and tamping until the mixture is flush with the top of the outer box.
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    Tools List

    • hammer
      Hammer
    • Natural-bristle chip brush
      Paintbrush
    • latex gloves
      Gloves
    • dust mask
      Dust mask
    • eye goggles
      Goggles
    • bucket
      Bucket or pail
    • hand trowel
      Garden trowel
    • Coarse wire brush
    • mallet
      Mallet
    • block wood
      Small piece of scrap wood for tamping

    Shopping List

    1. Form materials
    Pine shelf board, plywood, foam insulation, or cardboard boxes will work. Beveled panels for decorative recess are optional. (See Overview)

    2. ½-inch multi-purpose screws

    3. Releasing agent
    Melted paraffin or petroleum jelly will work.

    4. 2½-inch-tall PVC pipe pieces
    Paper towel spool pieces will also work.

    5. Cement
    (5-9 for hypertufa mix; See "The Recipe" in Overview)

    6. Peat

    7. Perlite

    8. Liquid acrylic

    9. Nylon reinforcing fibers

    10. Plastic sheeting

    11. Wire mesh

    12. Seedlings

    13. Soil