Class 019
Non-Metallic Building Material Products
Non-metal chimneys;Chimney blocks (Non-metallic -);Chimney linings (Non-metallic -);Chimney terminals (Non-metallic -);Chimneys, not of metal;Chimney cowls, not of metal;Chimney pots, not of metal;Chimney shafts, not of metal;Lengthening pieces, not of metal, for chimneys.