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Inspecting HVAC Systems Topics include heating, venting, and air conditioning inspections.

 
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  #1  
Old 4/22/09, 6:58 AM
Buck Hartley, CMI's Avatar
Buck Hartley, CMI Buck Hartley, CMI is offline
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Default Barrier around flue pipe

Would anyone recommend a barrier between the insulation and this furnace flue? The insulation does not support combustion but it will char with direct heat. I tested it outside.
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  #2  
Old 4/22/09, 8:19 AM
Larry D. Kage Larry D. Kage is offline
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Default Re: Barrier around flue pipe

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Originally Posted by bhartley View Post
Would anyone recommend a barrier between the insulation and this furnace flue?
Yes, it an insulation dam is required around here.

Quote:
Originally Posted by bhartley View Post
The insulation does not support combustion but it will char with direct heat. I tested it outside.
How hot did you get it?...and for how long? I'd be careful making these type of statements.

Though treated with a fire retardant, it is not fire proof and some testing shows that the retardant looses effectiveness with time.



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Last edited by lkage; 4/22/09 at 8:33 AM..
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  #3  
Old 4/22/09, 8:55 AM
Buck Hartley, CMI's Avatar
Buck Hartley, CMI Buck Hartley, CMI is offline
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Default Re: Barrier around flue pipe

Larry,

Thanks! I did not make that statement in the report.
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Old 4/22/09, 9:09 AM
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Default Re: Barrier around flue pipe

Around cellulose, definitely.



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