05:17AM | 10/26/00
Member Since: 10/25/00
1 lifetime posts
We recently installed an 36" whole house ventilator (attic fan to me). It creates a wonderful breeze and pulls in lots of nice outdoor air. However, it is also very noisy. We added a speed control which helps a little but not as much as we would like. Does anyone have any suggestions for a sound proofing scheme? For example, there is sufficient space in the attic to offset the fan from the oppening. Obviously we would have to have an enclosed "tunnel" between the new location and the ceiling opening. However this would require adding framing (attached to the existing ceiling trusses) which would still transmit noise. Is there sound deadening material that could isolate the "tunnel" from the existing celing trusses? Is this a waste of time anyway because there are better approaches? We appreciate any help you might have to offer.


06:11AM | 10/26/00
Member Since: 03/13/00
1675 lifetime posts
If you don't find anything else, you might try rubber. I think you could cut pieces from an old car tire. Use them as spacers and washers. Bolt the fan to the joists, using the rubber spacers between the fan and the joists, and the rubber washers on both sides of the bolts (along with metal washers).
With this method, you wouldn't need to build a tunnel.

[This message has been edited by rpxlpx (edited October 27, 2000).]

[This message has been edited by rpxlpx (edited October 27, 2000).]

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