The Isokern 200mm internal diameter rebated liner fits open solid-fuel fires up to 550 x 500mm openings larger wood-burning cassettes and small fireboxes in new-build projects.

This pumice liner is incorporated into masonry construct using brickwork or blockwork as the chimney stack is built for cost effective integration. Volcanic pumice provides high insulation to quickly attain performance temperatures and slowly cool for ongoing flue performance. Lightweight build facilitates easy handling cutting and installation with extended durability.

• Internal diameter: 200mm
• Outer diameter: 250mm
• Height: 600mm
• Material: Volcanic pumice concrete
• Fire resistance: Up to 1000°C
• Installation: Socket uppermost. Seal with lip glue. Insulate with minimum 15mm LECA around it by builder via brickwork or blockwork
• Compliance: CE certified to EN 1857. Document J compliant. HETAS accepted

This pumice liner is available for order and supports standard open-fire setups in building works.

Isokern refers to a premium range of chimney, flue and fireplace systems manufactured by Schiedel, a leading European chimney specialist.