Refractory concretes, stones & masses

Our stock includes a massive variaty of refractory concretes and more!

1100 °C Classification Temp.
Refractory materials
Casting and spraying concretes | Firebric | Plastic and ramming masses | Arbitrate | Zircon | Zirconflour | Molding sands

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    Temperature resistant

    Technically excellent and cost-oriented solution.

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    Various materials

    Our product range offers a wide selection of refractory materials.

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    Various versions

    Pouring and spraying concretes, lightweight refractory bricks, coatings, moulding sands, etc.


    We have an extensive stock of refractories

    • Casting and spraying concrete
    • Firebricks
    • Plastic and Rammassen
    • arbitrate
    • zircon
    • Zirkonmehle
    • molding sands


    • Temperature resistant
    • Various materials
    • Various versions
  • Downloads

    Hoffmann product catalog

    Refractory | Seals | Foundry supplies | Conveyor chains | Chesterton


  • K. Hoffmann GmbH

    K. Hoffmann GmbH

    Since 1986, K. Hoffmann GmbH has been at home as a production company in the high-temperature sector. Specializing in vermiculite as the main material, we offer board products and shaped parts as mass-produced and cost-oriented quality goods, as well as complex custom-made products for industrial and home use for thermal insulation and fire protection technology!

    As part of the SENN Group, we have access to a broad network of specialized companies and their associated experience and products, enabling us to meet every requirement!


ATTENTION - Sale to professionals only

K. Hoffmann GmbH

Your specialist for vermiculite, refractory and high-temperature resistant insulation solutions.

© K. Hoffmann GmbH

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