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 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. The bird screen stops unwanted visitors from gaining entry. The built in back draft damper eliminates cold air from entering the home.

The bird screen stops unwanted visitors from gaining entry. Damper trays allows dampers to be mounted inside standard gpi and gpf roof curbs. Round duct roof cap with manufactured steel housing and black electrically bonded epoxy finish built in back draft damper prevents cold air from blowing back into the home. The built in back draft damper eliminates cold air from entering the home.