The Isokern 500mm internal diameter rebated liner handles very large open-fire installations.

This pumice liner embeds in masonry construct through brickwork or blockwork during chimney stack building for cost effective use. Pumice ensures high insulation for rapid temperature performance and slow cool down to sustain flue efficiency. Lightweight properties allow simple handling cutting and installation with long term life.

• Internal diameter: 500mm
• Outer diameter: 590mm
• Height: 1000mm
• Material: Volcanic pumice concrete
• Installation: Rebated ends for lip-glue jointing. Surround with minimum 15mm LECA insulation by builder using brickwork or blockwork
• Compliance: CE certified to EN 1857. Document J compliant
• Use: Use Isokern flue-size calculator for precise selection

This pumice liner is available for order and fits monumental flue setups.