Roof Backdraft Damper

A backdraft damper or isolation damper from grainger helps to allow airflow in one direction and prevent reverse airflow.

Roof backdraft damper.

A backdraft damper also known as a gravity damper is a piece of equipment that allows air to flow through in one direction while preventing air from entering the opposite side also known as a backdraft. The bird screen stops unwanted visitors from gaining entry. A backdraft damper or isolation damper from grainger helps to allow airflow in one direction and prevent reverse airflow. The built in back draft damper eliminates cold air from entering the home.

This large selection offers wall mount and roof mount backdraft dampers. This large selection offers wall mount and roof mount backdraft dampers. Damper trays allows dampers to be mounted inside standard gpi and gpf roof curbs. The built in back draft damper eliminates cold air from entering the home.