Call us at (661) 257-4060

Product Overview

Gruber Systems is your expert at custom manufacturing of automated casting, metering, mixing, blending and conveying solutions for a broad range of composites related manufacturing applications. See our complete selection of Composites Manufacturing Equipment here

VacuumAutotn batchmaster 3 with base color injector Ground-Hopper-PC250 _100blendertn gelcoatcuringltunnel150pt BBConvey-wPallet130 evtc-150p 4leggantry165p
Continuous Casting Automated Metering Bulk Filler Handling Blending & Mixing Tunnels, Booths and Rooms Conveyors Casting Carts & Tables Cranes & Gantries
Gruber has almost 40 years of mold manufacturing experience to meet our customers' requirements for a variety of manufacturing processes, including open cast polymer molds, closed molds, vacuum form tooling, and specialized molds for ADA or "Accessibility" applications. Call today to discuss your new custom mold idea or browse our thousands of mold designs.
ShowerpanMFpair125 closedmold-whiteback150 vacuumformtubtool150 adashower150
Open Cast Molds
For Open Casting of Cast Polymers, including Cultured Marble, Solid Surface and others.
Closed Molds
For polyester or acrylic casting of solid surface and other cast polymers.
FRP/Specialty Molds
For a variety of FRP applications including Vacuum Form Tooling, Light RTM and more.
Molds for ADA or Accessibility applications


Granatex "Granite Effect" Solid Surface Fillers include over 325 Granatex materials, and are used to cast either sheet stock and/or compound shape products for kitchens, bathrooms, and architectural environments, including vanity decks, kitchen countertops, cast vanity bowl and sinks, cast wall panels, bathtubs, shower pans and surrounds and more - with or without gel coat. Select from our "Always in Stock" A-Line of products.


Seamless Solid Surface Adhesives are used by fabricators worldwide for reliable, quality and virtually invisable seaming of solid surface and other materials - including wood, engineered stone and other surfacing materials that require seaming. Multiple package sizes are available, and over 26 different material colors that are laboratory tested for compatibility with the vast majority of solid surface materials available from most solid surface sheet stock manufacturers. Choose from regular cure speed in warm climates, or rapid cure speed during the winter season for consistent seaming time and superior bonding performance. Private labeling and custom color matches are available.

See the full range of Marshall-Gruber Seamless Adhesives, or call toll-free at (866) 260-6457.

With our complete selection of systems, kits and components, we have just what you need to install new, or update, repair or replace an existing whirlpool bathing tub. See the full range of Marshall-Gruber Duraflo® Whirlpool and Spa Systems, Kits and Components, or call toll-free at (866) 260-6457.

sets_and_packs kits150 Duraflo-Compact-Pump-125p heaters_T MiniJetFaceCap-Whirly oil-rubbed-bronze suction_100gpm_side PC1090-SM AirControlAssy Hose-Flex_lg elbow_lg PumpStand_lg
Complete Whirlpool Systems Whirlpool Kits Pumps Heaters Jets Capsets Suction On/Off Control Air Flow Control
Hose & Tubing
PVC Fittings Tools and Accessories

cast polymer suppliesGruber sells virtually every cast polymer manufacturing related supply, tool or accessory you might need for production or fabrication of cultured marble, solid surface or other cast product.

View our complete selection here

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    For Customer Service or technical support,
    call Gruber Systems' Customer Services at:

    From within the U.S.:

    Tel: +1 661-257-4060

    Fax: +1 661-257-4791



    From Outside the U.S:

    Tel: +1 661-295-7327

    International Dept Email:

    Gruber Systems is now the Proud North American Distributor of Wallgate Anti-Ligature and Secure Sanitaryware products.

    Visit for more information!

    Is your Autocaster or Batchmaster Resin not heating enough?

    Find out how to adjust it here.

    For over 40 years, Gruber Systems has provided process control, engineering and factory design expertise for a broad range of composites manufacturing applications, including cultured marble, solid surface and polymer concrete, as well as a diverse range of custom solutions for other composites or cast polymer related manufacturing requirements. Our process control expertise extends to almost any manufacturing application that requires mixing, blending metering, conveying or casting or composite materials. We can integrate multiple equipment technologies, and deliver a manufacturing equipment and/or factory solution to suit your specific manufacturing needs. We support our customers with installation and training options to ensure you are up and running quickly and efficiently. Whether you are considering a cultured marble plant, solid surface plant, polymer concrete plant or other engineered composite manufacturing facility, call Gruber to learn how we can benefit your organization.
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