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Product availability is real-time and adjusted continuously. This product will be reserved for you when you complete your order. If your organization requires order approval, the product will be reserved once Grainger receives the final approved order based on product availability at that time.
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.
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Pricing and availability are not confirmed until the order is processed. Promotional pricing and offers associated with this order will only apply if the order is approved within the timeframe of the promotion.
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/ Backdraft Roof Dampers 
/ Backdraft Roof Dampers 
