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FR Damper - Technical Data Sheet

Technical data sheet

FR Damper - Technical Data Sheet

by Protecta (Polyseam Ltd)

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Protecta® FR Damper is used to fire proof ventilation ducts where they penetrate fire rated constructions such as fire compartments and fire walls, preventing the passage of fire and smoke both surrounding and inside the ventilation duct. The product consist of a steel casing containing horizontal steel blades treated with a technically advanced heat expanding graphite which closes off the whole damper in a fire. The aperture surrounding the dampers are fire sealed with Protecta FR Board in walls and Protecta® EX Mortar in floors. The damper can be installed in the fire seal and the ventilation ducting attached or the damper can be connected to the ducting and then fire sealed.

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