Ingredients:

  • 2 cups fire clay
  • 2 cups sharp sand
  • 1-1.5 cups water, adjusted as necessary
  • Optional: ½ cup lime for improved flexibility
  • Optional: ½ cup Portland cement for added strength

Instructions:

  1. Gather Materials: Assemble fire clay, sharp sand, and water.
  2. Measure Ingredients: Accurately measure fire clay and sharp sand into the mixing container.
  3. Combine Dry Ingredients: Mix the fire clay and sand until uniform in texture with a trowel or mixing paddle.
  4. Add Water Gradually: Begin to pour in water, starting with 1 cup; stir continuously to blend.
  5. Test Consistency: Check that mortar sticks to trowel without dripping, adjusting water if necessary.
  6. Add Optional Materials: If desired, incorporate lime or Portland cement, mixing thoroughly.
  7. Utilize Immediately: Use the mortar for your high-heat projects right away to ensure effectiveness.