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Bilco Type DSH Automatic Smoke Vent (Double Leaf): The Gold Standard for Roof Smoke Exhaust Summary: The Bilco Type DSH automatic smoke vent (double leaf) provides rapid smoke and heat release for large-span buildings—improving life safety, firefighter access, and code compliance. Why Smoke Vents Matter During a fire, fast vertical exhaust of smoke and heat can preserve visibility for occupants and first responders while reducing flashover risk. Roof-mounted smoke vents enable buoyant smoke to exit the building, making evacuations safer and helping protect assets. Meet the Bilco Type DSH Automatic mechanical release via fusible links—no external power required Double-leaf design maximizes vent area for rapid...