The MDL FireZero Rainscreen Fire closer is manufactured from high-density stone wool, with an expanding graphite intumescent strip, wrapped in FIREZERO class O foil, designed to be installed between external Rainscreen cladding and internal wall structures. The MDL FireZero Rainscreen closer provides a horizontal fire break where a continuous airflow is specified. In the correct horizontal system, the FIREZERO/RSH44/vent will provide up to 120 minutes of fire protection, designed for cavity widths 25mm to 300mm.
*Always Refer Back To The Manufactures Specification Document
For more information about this product, please speak to your local Galaxy Branch. For latest datasheets, please refer to manufacturers website.