KOS FLUE CEMENT is a high temperature (to 1250°C) ready mixed fireproof mortar paste , designed for the safe installation/jointing of Type A1 (BSEN1857) concrete flue liners (previously known as class 1) for use with domestic fires and stoves e.g. coal, wood burning or gas (including flame effect).
KOS FLUE CEMENT may also be used as a general purpose fire cement in most applications where direct flame contact occurs.
Fully rated (and independently tested by BSRIA) to BSEN1857 “chimneys-components-concrete flue liners” for class A1 liners.
High-temperature resistance (including direct flame) to 1250oC.
Areas For Use:
Jointing and assembling of domestic concrete flue liners of following specification or direct equivalent.
Suitable for use with liner types (BSEN1857) A1g B1g C1 or direct equivalent or lower specification for chimneys conveying combustion products to corrosion class 3.
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