Damper Block Off ABOVE heatform tubes?

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wildwildwest

wildwildwest

Member
Jul 7, 2014
114
wyoming
Dear Husband wants to use a smaller piece of steel between the damper and heatilator tubes, instead of a larger on below the tubes. We had a welder torch off 10" x 10" today to accomidate the new flex liner.

Are there problems with this?

Any feedback to help find an answer? Thanks!
 
As long as it makes a complete seal from the firebox to the chimney it should be ok. Stuff mineral wool insulation (roxul) above the plate.
 
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