08:46PM | 01/14/06
Member Since: 11/20/05
2 lifetime posts
We bought a house with an ancient attic fan in the soffit in the attic. It has metal louvers that flap open when the fan turns on via thermostat, but remain closed when fan is off. They are metal and noisy (bang open and closed with windy days).

We are residing our house and need to change the metal OLD louvers, but cannot find replacements. Can we replace metal louvers that open, with a vinyl louver that remains stationary, even when fan is on? Could this become a fire hazard or will the fan just not work to its fullest extent? I cannot find info on this anywhere.

Thanks for your input.


08:02AM | 01/24/06
Member Since: 01/19/06
10 lifetime posts
I don;t think what you're wanting to do would be so much of a fire hazard as it would add more drag to the fan and wear it out sooner. I would think the fan's effectiveness to remove heat and moisture would be reduced too.

Home Depot and Lowes both carry vinyl replacements that open automatically. They run $30-40, and should be much quieter that your metal ones.
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