The backflow damper prevents the ingress of cold or warm air and wind from entering through the ventilation duct. The 4 inch Backdraft damper is made out of a Galvanized steel, the flap leaves are ...

Q. This week: I had my kitchen remodeled recently and purchased a new downdraft range, vented to the exterior. This winter I feel a cold draft when the stove is not in use. There is cold air coming ...

Always vent to the exterior with an approved exterior dryer vent hood and backdraft damper flap. The damper is important to prevent outside air intrusion and the entry of small animals. Dryer duct ...

When it comes to home maintenance, one task that’s often overlooked — but critically important — is dryer vent cleaning.

Greenheck’s HB Series of Heavy Duty Industrial Backdraft Dampers includes the recently released HBR-150, a round industrial backdraft damper with a flanged-style frame. The HBR-150 is rated for ...