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Old 10-24-2012, 09:30 PM
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2low4NH 2low4NH is offline
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Join Date: Aug 2008
Location: NH
Posts: 1,892
yes refractory cement use the dry mix premix should not be used outdoors. you can use an SWB or a waterstruck brick. they need to be extremely dense brick. but yes fire brick are a standard practice and unless you like doing things twice I would use the fire brick.
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