1. I cannot easily obtain fireclay. Any recommendations instead of the sand-fireclay mixture for the underfloor paste? I was going to use either plan sand or a thin layer of Refmix mortar.
2. Any objections with using Refmix mortar in construction of the vent, chimney, and openning arch?
Jeff
Utah
2. Any objections with using Refmix mortar in construction of the vent, chimney, and openning arch?
Jeff
Utah
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