Taking the Mystery Out of How to Make a Concrete Sink Mold


With more and more architectural concrete companies offering various decorative sink lines, we present the following “how-to” guide so you too can make your own. Concrete is an attractive material with a unique quality look and feel. Concrete is a "perfectly imperfect" material; it will vary from piece to piece and that is part of its charm and uniqueness.

The following step-by-step uses Smooth-On's VytaFlex® 40 mold rubber to achieve perfect concrete sink molds that can handle multiple castings. Just remember that you can make a mold of just about anything so get creative in designing your new sink basin.

Materials Used in this Tutorial

  • Melamine Board
  • Pencil
  • Jig Saw
  • Permanent Marker
  • Sulfur Free Modeling Clay
  • Glue Gun
  • Universal Mold Release
  • Bolts
  • Drill
  • Drywall Screws
  • Turbine Mixer
  • Concrete
  • Vytaflex 40