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How to Pulverize Cardboard

Cardboard is a versatile material that can be used in a variety of ways. According to Planet Green, cardboard can be used to counter-balance unpleasant smells in compost piles. Cardboard is considered a "brown" material, and compost needs a healthy balance of "brown" and "green" material. Pulverized cardboard can be used to make a paste for papier mache projects and collages by adding water. Outdoor plants can be insulated using crushed cardboard; spread shredded cardboard over the roots of plants to keep them warm.

Things You'll Need

  • Blender or food processor
  • Scissors
  • Cardboard
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Instructions

    • 1

      Take any pieces of cardboard that need to be pulverized and cut or tear them into 6-inch by 6-inch sections.

    • 2

      Place one or two sections into the blender or processor at a time.

    • 3

      Use the "Chop" setting on your blender or processor; this will break the cardboard into smaller pieces. If the blender or processor does not have a "Chop" button, use a "Dry" material setting.

    • 4

      Finish breaking down the cardboard by using the "Grate" button on your processor or blender. If you do not have a "Grate" button, use the finest material setting that your machine has.

    • 5

      Empty the contents of the blender or processor into a bowl, and repeat Steps 1 through 4 until you have pulverized all of the cardboard.

    • 6

      Wash blender or food processor thoroughly before using for food.

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