The Isokern 225mm internal diameter rebated liner handles small open solid-fuel fires in new-build homes requiring traditional fireplace design.

This pumice liner embeds in masonry construct through brickwork or blockwork during chimney stack construction for cost effective application. Pumice ensures high insulation for fast performance temperature reach and delayed cool down to sustain efficiency. Lightweight material supports straightforward handling cutting and installation with lasting performance.

• Internal diameter: 225mm
• Outer diameter: 285mm
• Height: 600mm
• Material: Volcanic pumice concrete
• Fire resistance: Up to 1000°C
• Installation: Socket up. Seal joints with lip glue. Pack void with minimum 15mm LECA insulation by builder using brickwork or blockwork
• Compliance: CE certified to EN 1857. Document J compliant. HETAS compliant

This pumice liner is available for order and fits projects needing compact flue solutions.