A non-setting, weather resistant, non-flammable, stiff putty material which allows small movements without breaking the seal. Recommended where pipes and flues emerge through concrete, stone or brickwork; and for both external and internal flue pipe joints. FJC can also be used for sealing service pipes and conduits of all types through fire-rated walls. May be used for sealing the gap between a gas pipe and the sleeve through which it passes. Must not be used either where the pipe will be hotter than 250°C (482°F), or directly onto heating appliances. Manufactured in the UK by a BS EN ISO 9001 registered company.
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