Mold Supplies and Accessories

From Gruber Systems and Marshall Gruber Company

"Hats" refer to both Permanent Hats, and Reusable Hats, which are alternatives to traditional female molds. Marshall Gruber Hats can be a time-saving and ultimately cost-effective alternative compared to use of a female mold.

Gruber Systems is proud to offer supplies from
mg logo 225Marshall Gruber Company, LLC

Gruber Systems can supply any supply item from Marshall Gruber Company, or view their products on the Marshall Gruber Company website.

Learn all about various female mold and hat options here


permenantHatPermanent Hats

These hats become a permanent part of the marble product, providing a finished underside which requires very little, if any, additional finishing.


ReusableHatReusable Hats

Unlike Permanent Hats, these Gruber Reusable Hats can be used repeatedly. They are manufactured of high quality polyethylene. The hats shown are Trimmed with Overflow. To order Untrimmed Hats with Overflow, contact your Gruber sales representative.

PolyfunnelReusable Funnels

Reusable Funnels are used in conjunction with Gruber Permanent and/or Reusable Hats to reduce spillage and wastage of cultured marble matrix during filling of the mold. Manufactured of high quality polyethylene, these qualify hats can be used multiple repeatedly and clean up by flexing the material. Order the version with the hole opening that matches your permanent or reusable hat.