6.1 – Ventilated façade stratigraphy – 5. Protection against the spread of fire on ventilated façades 358 Metal fire barrier According to the FVHF Germany regulation and DIN 18515-1, the fire barrier must be made of galvanized steel or stainless steel with a thickness ≥ 1.0 mm and positioned in the ventilation cavity. The fire barrier, inside the cavity, is positioned at a distance of ≤ 10 mm from the inner edge of the cladding and, in any case, ensuring the correct air flow of the ventilated façade. Class A1 rigid panel insulation Melting point > 1,000 °C Density > 40 Kg/m3 Maximum thickness 360 mm Galvanized steel sheet fire barrier Thickness ≥ 1.0 mm Galvanized steel sheet fire barrier Thickness ≥ 1.0 mm ≤ 10 mm EXCERPT
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