Light Expanded Clay Aggregate LECA 50 litre bag 19kg.

This insulation material is mandatory for all Isokern pumice liner and double module installations. It provides the required minimum 15mm surround in masonry void for thermal insulation and structural stability. Essential for compliance in trade builds.

• Volume: 50 litres
• Weight: 19kg
• Usage: Minimum 15mm surround
• Compliance: Document J. HETAS

This LECA bag is available for order and fits standard insulation needs in chimney projects.