Insulating Castable - We highly recommend brands like HeatStop’s InsulCast Delta Crete or Harbison Walker’s Greenlite or OVENZZ™ LW Cast. Both are made from the leaders in the Refractory industry.
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Other great brands include:
ABLE REFRACTORY
ALLIED MINERAL PRODUCTS
ALSEY
BNZ
CHRISTY
MISSOURI REFRACTORIES
MORGAN THERMAL CERAMICS
MT. SAVAGE
NOCK & SON
PILBRICO
PRYOR GIGGEY
RENO REFRACTORIES
RESCO / NEW CASTLE
RIVERSIDE REFRACTORIES
THERMBOND
UNITED REFRACTORIES
VESUVIUS
If you are building the BrickWood Box, remember, you CAN NOT build the hearth slab with Light Weight or Insulating Castable Refractory.