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Installing a Wood Stove in a Bale-Cob House

 
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Does anyone have any input concerning clearances for wood stove installation in a bale-cob house??  We have a Fisher Grandpa Bear (Yes, the house is that big. Yes, we have considered a RMH and yes, we decided on a wood stove instead), and the clearances are 36" to combustibles, and all of the reduction information I can find measures from the stove to the wood studs of a wall.  Our hope is to put a ceramic tiled double concrete board wall shield behind the stove with a 1" air gap between the wall and the shield, reducing our clearance to 12".  The question, however, is since there is a rather thick (2" more or less) plaster layer over the bales, does that change our clearance at all?
** I know we're not talking "codes" here...this is a bale-cob house for crying out loud.  But as with all our considerations when building this house, we would like to keep things safe!

Thanks for any input you might have.

Zee in OK
 
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If this were my installation, I would feel fairly safe in assuming that a good heat shield reduces the clearance to the wall by half.

The other consideration is the pipe -- are you using single wall or double wall? The pipe also needs adequate clearance and/or heat shielding.

I have a notion that your plaster might not hold up well if there is too much radiant heat, with excessive drying and expansion/contraction perhaps causing spalling.
 
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Zee Swartz wrote:Does anyone have any input concerning clearances for wood stove installation in a bale-cob house??  We have a Fisher Grandpa Bear (Yes, the house is that big. Yes, we have considered a RMH and yes, we decided on a wood stove instead), and the clearances are 36" to combustibles, and all of the reduction information I can find measures from the stove to the wood studs of a wall.  Our hope is to put a ceramic tiled double concrete board wall shield behind the stove with a 1" air gap between the wall and the shield, reducing our clearance to 12".  The question, however, is since there is a rather thick (2" more or less) plaster layer over the bales, does that change our clearance at all?
** I know we're not talking "codes" here...this is a bale-cob house for crying out loud.  But as with all our considerations when building this house, we would like to keep things safe!

Thanks for any input you might have.

Zee in OK



The plaster layer won't reduce clearances at all by code.  If it was 4" thick it would get you 1/3 reduction.  But nothing is given for less than that.  In reality it will give you some reduction but I can't say how much.
 
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