Modeling Clay Bar 3-pk (1lb pk)

Ever have a leak? Have you ever called us and asked how to stop it? This is what we always recommend. Locate your leak, tear a piece of this clay off. Roll into a ball. Press onto the leaky hole and feather out the sides. No more leak!


This modeling clay is a must-have when working on epoxy. Have a small leak? Easily plug the leak with modeling clay. Quick, easy and inexpensive. Each package consists of 3 bars, totalling 1lb.


  1. Charlie Norris

    “I love fiberglass coatings. They have great products and excellent advice. I'm trying to open a boat repair shop in St . Mary's, GA and my supply WILL come from fiberglass coatings. When I lived in the Fl. Keys for 36 years and worked for a towing and salvage Co for 15 years all our supplies came from Fiberglass coatings. Great service and never were disappointed. Keep up the great job everyone.”
  2. Brian Lewis

    “The staff are very knowledgeable and friendly Have always gotten the right stuff for the right job. Pat,mark,Colby,Ryan your the best. Pat is the walking encyclopedia of FGCI.”
  3. Justin Lammers

    “Been working on a skiff project and using all FGCI products. They came highly recommended by my friends who are boat builders. It is the highest quality resins, glass, and gelcoat for the money. They made it really easy for a newer person to boat building. The customer service is phenomenal and they are always knowledgeable and ready to help with any questions I had.”
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