The Isokern DM36 square casing provides the outer structural block for the 150mm internal diameter double module chimney system.

This double module chimney casing combines flue liner and outer blockwork for fast installation and reduced labour. Installers will find its pumice construction offers high insulation for quick reach of performance temperatures and slow cool down to maintain flue efficiency. It features lightweight design for easy handling cutting and installation with long life durability and safety up to 1000°C.

• Dimensions: 360mm square x 250mm high
• Weight: 15kg
• Material: Volcanic pumice concrete
• Fire resistance: Up to 1000°C
• Installation: Apply lip glue to rebates and stack. Add reinforcement rods and wall ties at recommended intervals for external runs
• Compliance: BS EN 1858. Building Regulations Document J. Accepted by HETAS and Local Authority Building Control
• Suitable for: Wood-burning stoves. Multifuel stoves. Class 2 gas fires in new-build and self-build homes

This double module chimney casing is available for order and suits trade projects requiring compliant chimney construction.