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Backdraft Roof Dampers

1 result found that includes 39 products

A backdraft damper, or isolation damper, from Grainger helps to allow airflow in one direction and prevent reverse airflow. This large selection offers wall-mount and roof-mount backdraft dampers. Choose the mounting style and size that will fit your roof exhaust needs when you shop for an isolation damper, or backdraft damper, from Grainger today.Close

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  • DAYTON Backdraft Roof Dampers
    • TM

      Grainger Choice

    • DAYTON
    • Multiple product options available

      Dayton® backdraft roof dampers are used with roof and wall ventilators to close off systems when they are not in use. They help keep outside air from entering through ventilators when not in use.

      No Flange, Horizontal or Vertical MountThese non-flanged exhaust backdraft dampers are equipped with a felt seal on the leading edge of each blade for quiet closing and optimum weather protection. They are also spring assisted, allowing blades to open quickly. Use in roof curbs, duct work, or wall collars when using a fan or power roof ventilator.

      Roof Mount, Exhaust Each of these rear-flanged gravity supply (intake) wall shutters features mill-finish aluminum frame and blade construction, with a galvanized reinforcement strip on each blade for added strength and counter balancing efficiency. The blades have a felt seal on the leading edge for quiet closing and better protection from the weather. Use with belt-driven centrifugal wall ventilators. The blades will pivot at the bottom and fall with gravity to open. Spring-assist to close.

      Wall Mount, Supply These non-flanged, horizontal mount exhaust backdraft dampers feature blades with felt seals on the leading edges for ideal weather protection. They are spring-assisted to allow blades to open quickly. Use with belt-drive centrifugal roof and wall ventilators in roof curbs, duct work, or wall collars when using a fan or power roof ventilator.

      Multiple product options available

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Note: Product availability is real-time basis and adjusted continuously. The product will be reserved for you when you complete your order. More