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Paul in Toronto

02:44PM | 10/16/01
Member Since: 10/07/01
51 lifetime posts
Bvhvac

Exhaust Fan Ducting

Tags: HVAC
I'm installing an exhaust fan in a bathroom. The ducting (rigid) will be run in the attic and will terminate at a wall vent on an exterior wall. Living in a cold climate I understand its important to insulate the duct. What is the best and easiest way to insulate the duct?

DH

06:13PM | 10/16/01
Member Since: 09/23/01
242 lifetime posts
Just wrap it with fiberglass insulation, if you don't, the warm humid air will condense in the vent pipe and drip back into the fan.

Jay J

06:04AM | 10/18/01
Member Since: 10/26/00
782 lifetime posts
Hi Paul in Toronto,

ABSOLUTELY wrap it in insulation. Just go to a Home Depot or Lowe's or a Plumbing Supply House and ask for the insulation for your purpose.

My best to ya and hope this helps.

Jay J -Moderator

PS: God Bless America!

Paul in Toronto

05:42PM | 10/21/01
Member Since: 10/07/01
51 lifetime posts
What R-value insulation should I use to wrap around the duct?

Jay J

11:46AM | 10/22/01
Member Since: 10/26/00
782 lifetime posts
Hi PaulinToronto,

Good question. I just buy the duct insulation at the Home Center. Check there and they'll get you the right stuff. You don't use R-30 or anything like that!

My best to ya and hope this helps.

Jay J -Moderator

PS: God Bless America!

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