Roof Backdraft Damper

The built in back draft damper eliminates cold air from entering the home.

Roof backdraft damper. The built in back draft damper eliminates cold air from entering the home. The bird screen stops unwanted visitors from gaining entry. The attractive broan 634m roof cap is the perfect finish for your ventilation system. A backdraft damper or isolation damper from grainger helps to allow airflow in one direction and prevent reverse airflow.

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. This large selection offers wall mount and roof mount backdraft dampers. 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. A backdraft damper or isolation damper from grainger helps to allow airflow in one direction and prevent reverse airflow.