Intumescent fire stopping materials

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.

How can you benefit from PROMASEAL®

  • Reliable, aesthetic fire-stopping seal
  • High expansion factor
  • Free from organic solvents
  • Easy to install

PROMASEAL® is most commonly used for

  • Door closers
  • Fire doors and gates
  • Expansion joints
  • Fire dampers
  • Glazing
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Variants of PROMASEAL®


Intumescent seal for metal doors, gates and fire dampers in walls and floors that expands at 190 °C.


Intumescent seal for timber doors, glazings, panels, inspection doors, façades and building joints in walls and floors that expands at 150 °C.


Flexible intumescent protection seal that expands at 190° C.


Flexible intumescent seal for door and windows constructions and frame backfill material that expands at 190 °C.


Intumescent seal for glazings that expands at 300 °C.


Intumescent seal for protection against hot gases (smoke and fire), cold gases, draft and noise. Expands at 190 °C.

PROMASEAL® Stamped parts

Custom-made intumescent seals designed to customer specifications.

PROMASEAL® Granulates

Intumescent granulates for injection in moulded parts that expand at 190 °C.

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.

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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 flexible, thin and lightweight fireproofing panel

MICROTHERM® SLIM&LIGHT microporous panels are large and custom-made, with excellent thermal and fireproofing properties, designed specifically for fire doors and elevator doors. MICROTHERM® SLIM&LIGHT is the industry benchmark for EI class fire ratings, using the thinnest and lightest available materials.


The fireproofing and insulation panel for the Marine industry

PROMAGUARD® panels are flexible thin and lightweight microporous panels with excellent thermal and fireproofing properties designed specifically for the marine industry. PROMAGUARD® can withstand peak temperatures of 1,000 °C, has an A60 classification, and is MED and USCG approved.