How to Mold & Cast Architectural Moldings

Intro: How to Mold & Cast Architectural Moldings

This Instructable video shows the process of making a silicone mold from an existing ceiling medallion and casting replicas using urethane casting resin.  Great for restoration work and one-of-a-kind pieces no longer available.



    • Furniture Contest 2018

      Furniture Contest 2018
    • Fix It! Contest

      Fix It! Contest
    • Metalworking Contest

      Metalworking Contest

    3 Discussions

    Multiple times. With a piece like this I would say 50-100 maybe. You can also extend the life of the mold by using mold release spray prior to casting.

    Thanks! I normally use alginate, but you only get one shot with that and it would be nice to be able to do multiple casting.