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Q&A Firebox lining

Post in 'Questions and Answers' started by QandA, Nov 16, 2007.

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  1. QandA

    QandA New Member Staff Member

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    Question:

    Now for the question: I have 'inherited' an old Comfort stove that is designed for coal (one of the old, tall cylindrical designs with a fluted fire chamber), and I wish to use coal in it, perhaps alternating with wood since Maryland winters are not particularly harsh. I have completely disassembled it and am in the process of cleaning it. Overall, aside from a light coating of rust, it is in very good condition with no cracks, but the fire chamber has a rather nasty case of rust rot: in no place has it rusted completely through, but it probably will not be too long before this happens, and I cannot afford to purchase a brand new stove.

    Since the fire chamber is quite large, would it be possible/prudent/ safe to pour and mold, say, a 3/8-1/2" liner of refractory cement to line the inside of the fire chamber and increase the stove's operating life? Or should I give up and look into the cost of getting a new bottom section cast (or scrapping the idea altogether and hope to be able to afford a new stove in a few years)? Also, could a coating of refractory cement be good for the top of the grate, as long as it does not interfere with the air flow and covers no holes?



    Answer:

    Yes, the ideas you have would help to extend to life of the firebox. Castable refractory cement can take very high temperature...even higher than iron or steel. There are many coal stoves which were made of thin sheet metal - but the lining kept them around for decades.

    You might be able to find replacement parts at http://hearth.com/partsplace.html

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