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Old 12-18-2008, 12:00 AM   #1
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OOPs hole in fireplace duct.


I was putting in a vents in our new bathroom and accidentally started drilling into the fireplace vent. The hole is only about 1/2 in diameter before I realized what had happened. There isn't gas roaming around in there, it is simply a vent to spread the heat around from the gas fireplace. Will some insulating foam sealant seal that up well enough or do I need to do something else. If someone knows please let me know.

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Old 12-18-2008, 06:01 AM   #2
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OOPs hole in fireplace duct.


I would get some Hi Temp silicone at the local auto supply and seal the hole.

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Old 12-18-2008, 08:13 AM   #3
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OOPs hole in fireplace duct.


Get a " knockout plug, and silicone it in.
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Old 12-24-2008, 06:00 AM   #4
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OOPs hole in fireplace duct.


Tried to search google and got more information..

Last edited by ductworksystem; 12-24-2008 at 06:12 AM.
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Old 12-24-2008, 06:24 AM   #5
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OOPs hole in fireplace duct.


perhaps a self tapping, 1/2" bolt?
if no fumes are there nor super high temps, it should be fine, imho
if necessary, gasket it with fire block caulk or refractory cement?

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Old 12-26-2008, 06:46 AM   #6
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OOPs hole in fireplace duct.


Quote:
Originally Posted by handyman4life View Post
After we determined that the hole was too small for the fireplace, ... The fireplace sucks in outside air down one duct, burns that outside air, ...
huh???

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Old 12-26-2008, 08:11 AM   #7
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OOPs hole in fireplace duct.


One pipe is exhaust and the other combustion air. Seal it up good with RTV silicone and keep checking it once a year.

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