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Intumescent Ventilation Grille

Mcr Silgrill

  • Free airflow
    Intumescent fire protection ventilation grilles allow free airflow at room temperature through a structural element (e.g., walls and doors).
  • Effective fire protection
    The grilles provide reliable protection in the event of fire.
  • Expansion under heat
    When exposed to fire, the grilles expand under high temperature, forming a layer of non-combustible foam.
  • Insulation against flames, smoke, and fire gases
    The foam layer acts as insulation, preventing the spread of flames, smoke, and fire gases into the non-affected parts of the building.

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Mcr Silgrill

Intumescent fire protection ventilation grilles

These grilles allow free airflow at room temperature through structural elements (e.g., walls and doors), while ensuring effective fire protection when needed.

Application

The grilles can be installed in:

  • Walls
  • Doors
  • Ventilation systems
  • Cable ducts

Characteristics

  • Activation at approx. 100°C
  • Rapid closure of the opening (typically within 5 minutes, depending on heat exposure)
  • Preserved aesthetic appearance
  • Fire resistance rating EI 120
  • Quick and easy installation

Technical specification

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