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

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    • 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

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    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