How To Make a Mold of a Leaf for Casting Concrete


Make a mold of a rhubarb leaf using Rebound 25 silicone rubber, and cast reproductions in concrete. Learn how to make a mold of any leaf, any size that can be cast into over and over again using glass fiber reinforced concrete (GFRC).

Rebound 25 is a tough, stretchy silicone rubber that picks up perfect detail from the original leaf. Castings can be used to make a concrete birdbath, candy holder or home decor.

Materials Used in this Tutorial

  • Rebound® 25 silicone
  • Mold box (cardboard)
  • Play sand
  • Mixing cups and sticks
  • Brushes
  • Ease Release 200
  • Forton® GFRC mix