Posted 5/24/2021 05:46 (#9021831 - in reply to #9020928) Subject: RE: Economical barn exhaust fan shutters
ought to be able to fab some shutters up out of light gauge tubing and sheet metal/metal roofing and install with spring hinges. Hinge tension would obviously depend on shutter weight and strength of fan.
Economical barn exhaust fan shutters
