Isokern Light Expanded Clay Aggregate 50ltr by Isokern Chimney Systems

130769 - 50 Litre bag of light expanded clay aggregate for use with Isokern Pumice chimney liners to insulate the chimney.

Clad the liners with a minimum 100mm thick brickwork.  A minimum thickness of 15mm light expanded clay aggregate insulation must be installed between the liners and the masonry.  Mix 20 parts to 1 part opc cement and a small amount of water.

If you're using bends please make sure there is adequate support and always backfill with the light expanded clay aggregate.

Light Expanded Clay Calculation Chart