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BOSS Intumescent Fire Dampers allow the bi-directional movement of air through fire rated walls and floors. In a fire situation the slats in the damper intumesces and swells to many times the original size, closing the damper and forming a solid fire barrier. They are simple to install, easy to identify, and economical to maintain. The BOSS Damper has slats of foil-covered intumescent material with a rigid steel frame.
A range of stock sizes is available from 100mm square to 600mm square and any configuration in between. Special sizes up to 1200mm are also available..
Grill: 43mm deep
Slats: 6mm thick and 14mm between slats, giving 70% free area excluding the perimeter frame to allow maximum air flow.
Round – With Sleeve or Without Sleeve
Fire Door Damper Kits – complete with 2 x Grills
A leading supplier of building materials to the commercial industry-including ceiling panels, aluminium partitioning, acoustic & thermal insulation, whiteboards and passive fire solutions.