A high strength, temperature resistant smoke tight structural sealant and adhesive designed for the safe installation / jointing of domestic concrete gas flues for use with domestic gas fires (class two). Fully rated (and independently tested by BSRIA) to new BSEN 1443 (2003) and BSEN1858; 2003(E) - "Chimneys-Components concrete flue blocks". Ideal for jointing and assembling of domestic concrete gas flue blocks. Also suitable for sealing around metal flues and ductwork (where temp is less than 160°C).
