MDL Firezero Open State Cavity Barriers Series 1025 & 1044

MDL Firezero Open State Cavity Barrier (OSCB) consists of a high-density stone wool with an integral intumescent layer, wrapped in reinforced class ‘O’ foil. Open State Cavity Barriers are designed to provide an air gap of up to 25mm or 44mm. In the event of a fire the intumescent layer is heat activated and rapidly expands to close the cavity and restrict the spread of fire.

  • Tested in accordance with ASFP TGD-19.
  • Up to 2 hours fire integrity & insulation.
  • Satisfies NHBC and CWCT guidance for ventilated cavities.
  • Provides 25mm or 44mm ventilation.
  • Expanding intumescent face.
  • Available for cavity widths 25 – 300mm.
  • Suitable for horizontal application.

For the latest data sheets and product information: Our Products – MDL

For more information about this product, please speak to your local Galaxy Branch. For latest datasheets, please refer to manufacturers website.

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