The Isokern 200mm internal diameter liner support block is the base component for open-fire and cassette installations up to 550 x 500mm.

This support block supports transition from flue pipe to chimney liner using dedicated adapters. It permits full minimum 15mm LECA insulation surround in masonry void by builder via brickwork or blockwork. Pumice material ensures high insulation lightweight handling and long life safety.

• Internal diameter: 200mm
• Height: 75mm
• Material: Volcanic pumice concrete
• Compliance: CE certified to EN 1857. HETAS accepted

This liner support block is available for order and suits open-fire flue systems.