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Kos Flue Block Silicone

£6.00 (ex. VAT) £7.20 (inc. VAT)



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).