Whether you are using a male or female mold, creating a Class 'A' finish on the mold surface is critical. Just as boats and other fiberglass structures can deteriorate over time, a porous mold surface permits water, chemicals, or other harmful agents to enter the structural laminate below. The condition of the mold surface affects three important areas of the molding process:

  • The quality of the mold's cosmetic finish will be reproduced in every part.
  • The mold surface affects the release characteristics of the mold.
  • The mold surface coat is the protective barrier to the rest of the mold.

For an in-depth description of the techniques necessary to achieve a Class 'A' mold surface finish as well as the steps required to maintain it, see the Plug Surface Preparation & Mold Surface Maintenance article in our Learning Center. Shop our complete selection of mold preparation products below!

  • Safety Glasses

    Compatible with Respirators and Most Eyeglasses
    Eye protection is an absolute necessity when working with composite materials. These lightweight, comfortable...
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  • Latex Gloves

    Protect Hands for Most Lamination Projects
    For most lamination projects, these affordable latex gloves will last for several hours at a time. They are...
  • Nitrile Gloves

    Excellent for General Use
    Nitrile gloves are excellent general use gloves in a chemical or solvent environment and are an excellent...
  • Two Strap Dust and Mist Mask (Box of 20)

    A Simple Measure for Safety
    Protect against respiratory irritation and potential health issues with this simple safety device. Particles from...
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  • Organic Vapor Respirator

    Stay Safe, Stay Comfortable
    With dust, fumes, vapors and other air borne contaminates are a common place in any workshop, it's important to keep...
  • Disposable Lab Coat

    Comfortable, Safe Coverage, Easy Clean-Up
    Laminating can be a dirty job. Make sure you keep the chemicals and dust off your clothes—and away from your...
  • Duratec® Gray Vinyl Ester Primer

    Ultimate Barrier Coat for Corrosion and Marine Applications
    Duratec® Gray Vinyl Ester Primer brings unmatched strength and performance in a highly functional resin system....
  • Stoner's Miracle Gloss ® is a complete production mold system based upon proper mold preparation and a ... 
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