Insulating Fire Bricks

Consolidated Refractories supply a wide selection of insulating fire bricks.

Insulating firebricks are a light weight brick with good thermal insulation properties. Insulating fire bricks range from an inexpensive low temperature Diatom brick suitable for back up through to high alumina bricks up to 3000 series bricks rated to 1650C. Our standard range of available insulating brick includes:

RI23 grade - K23, JM23, LBK23, B5
RI26 grade - JM26, LBK26, B6
RI28 grade - JM28, LBK28, B7
RI30 grade - JM30

We supply Insulating brick into the following areas:

  • Kilns
  • Heat treatment Furnaces
  • Crucible Furnace
  • Cremators
  • Glass and Frit Furnaces
  • Waste Recovery
  • Incinerators
  • Combustion Chambers
  • Brick Kilns
  • Boilers

Insulating fire bricks can be used in application as a back up brick behind other dense brick or castable as well as a hot face brick for other applications such as kilns.

As well as standard insulating brick we are able to offer specialty products up to 99% Alumina in an insulating brick/panel form suitable for applications to 1800C. This is especially suitable for high temperature kilns and furnaces where a light weight hot face lining can be used.

Insulating Fire Bricks