AF FIREGRILLE

AF FIREGRILLE is a fire protection grill for air exchange areas.‎ The product is made with an external structure in steel sheet.‎ Inside it has a series of wings made of an intumescent material, which expands at temperatures above 200 °C and closes the internal space preventing the passage of smoke and flames.‎ The internal space reduction is 30% for dimensions up to 300x300 mm and up to 40% for dimensions bigger than 300x300 mm.‎ Further info from manufacturer on AF FIREGRILLE AF SYSTEMS