DIY Plaster of Paris

Written by shannon lea
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DIY Plaster of Paris
Mixing plaster of Paris for home construction (plasterer image by Greg Pickens from

Plaster of Paris is a general name used to describe a number of plasters, from a gypsum-based plaster used in home construction to glue- and flour-based plasters for home crafts. Sometimes called papier mache, do-it-yourself plaster of Paris for home crafts can be made using one of two methods. Both plaster of Paris recipes use common household items and are suitable for beginners.

Skill level:

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Things you need

  • For Plaster of Paris with Glue:
  • Flat work surface
  • Newspaper
  • 2 cups white glue
  • Large mixing bowl
  • 1 cup warm water
  • Large spoon
  • For Plaster of Paris with Flour:
  • Flat work surface
  • Newspaper
  • 3 cups flour
  • Large mixing bowl
  • Large spoon
  • 2 cups warm water
  • 2 tbsp salt

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  1. 1

    Cover a flat work surface with newspaper. This will protect it from spills.

  2. 2

    Pour 2 cups of white glue into a large mixing bowl.

  3. 3

    Add 1 cup of warm water to the white glue in the large mixing bowl.

  4. 4

    Stir the water and white glue mixture with a large spoon. Mix it until no lumps remain. The finished plaster should have a smooth, thick and soupy texture.

  1. 1

    Cover a flat work surface with newspaper. Doing so will protect the surface from spills.

  2. 2

    Add 3 cups of flour to a large mixing bowl.

  3. 3

    Stir the flour well with a large spoon to remove lumps.

  4. 4

    Add 2 cups of warm water to the mixing bowl.

  5. 5

    Stir the flour and water mixture until the ingredients are combined with no lumps. The finished product should be thick and pastelike but easy to stir.

  6. 6

    Mix 2 tbsp of salt into the mixture. This will help to preserve the plaster and help to prevent mould.

Tips and warnings

  • If either method of plaster of Paris yields a plaster that is too thick, add a small amount of warm water and remix. Continue doing this until the desired texture is achieved.
  • While technically described as a plaster, do-it-yourself plaster of Paris produces a result that is more like glue than plaster. This is expected and normal.

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