How to Mold a Rubber Sole

Written by cameron easey
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Molds are made from shoe soles for comparison purposes when a forensic study is being performed as part of a police investigation. Copies of a shoe sole can also be produced from a mould. To make a mould you need to learn each step of the process. Making a mould requires the use of a pliable agent. The type of agent to use when making a mould is silicone rubber.

Skill level:
Moderately Easy

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Things you need

  • Utility knife
  • Shoebox
  • Moulding clay
  • Silicone spray
  • Silicone rubber

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Instructions

  1. 1

    Cut the sole from the shoe you want to mould by using the utility knife.

  2. 2

    Place a 1-inch think base of moulding clay onto the bottom of the shoebox. Smooth out the clay so that it is flat.

  3. 3

    Place the shoe sole face up into the shoebox and press it gently into the clay. Apply a small amount of silicone spray to the surface of the shoe sole and the clay.

  4. 4

    Mix the silicone rubber by following the instructions on the package. Pour the silicone rubber into the shoebox. Cover the shoe sole with at least 1/2 an inch of the silicone rubber.

  5. 5

    Allow the silicone rubber to cure or set up between 16 and 18 hours. Separate the cardboard from the mould and then remove the moulding clay.

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