Medium-density calcium silicate boards

Versatile, large-size insulation boards

PROMINA® calcium silicate insulation boards are rigid and large, ideally suited for building applications and mechanically self-supporting constructions. PROMINA® offers a superior combination of enhanced thermal and mechanical properties and is easy to cut, shape, and install.

How you can benefit from PROMINA®

  • Large-size boards
  • Excellent insulation properties
  • Mechanically self-supporting
  • Hygroscopic
  • Vapour permeable

PROMINA® is most commonly used for

  • Dryers
  • Apparatus construction
  • Fire doors
  • Heat and moisture protection
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Download Product Documentation

Discover all characteristics and specifications of PROMINA®.

Our Services

  • Analysis, calculations and simulations

    Meet all your fire, thermal, and acoustic requirements thanks to our full analysis, calculations, and simulation services.

  • Fire and performance testing

    Verify your solution’s efficiency with our in-house fire and thermal performance testing or take advantage of our state-of-the-art test labs.

  • Product selection and design

    We listen to your requirements and select the perfect match for the job from our comprehensive range of products.

  • Production and installation support

    Choose between pre-installed solutions, supervised production runs, small batch delivery or high-volume production.

  • Application or system design

    After defining the specifications, we will design a solution that fits your specific needs and develop a prototype.

  • Workshop services

    Our in-house workshops offer CNC routing and cutting, water jet and laser cutting, coating, shrink-wrapping, heat-sealing under vacuum, cutting and stamping of laminates, and hand manipulation.

Ask an expert

Curious to see what we can do for you? Do you have a challenge for us to solve?




The versatile fireproofing and insulation boards

PROMATECT® medium density calcium silicate boards are rigid and self-supporting, with excellent thermal and fireproofing properties. PROMATECT® materials offer reliable protection against high temperatures and fire, and are easy to cut, shape, and install.


The reliable and aesthetic fireproofing seals

PROMASEAL® offers reliable, flexible and aesthetic fire stopping seals that can expand up to 20 times their original volume in the event of fire. PROMASEAL® is based on superior graphite technology and offers superior protection against fire, as well as hot and cold gases.


Ultra-thin and lightweight insulation

MICROTHERM® PANELS are thin and lightweight microporous insulation panels with excellent thermal properties, ideally suited for high temperature applications with limited available space. They are produced in a glass cloth outer envelope, making them clean, easy to handle and easy to install.