Everbuild KOS Flue Cement is a high temperature ready-mixed fireproof mortar paste, designed for the safe installation/jointing of Type A1 (BSEN1857) concrete flue liners for use with domestic fires and stoves e.g. coal, wood-burning or gas (including flame effect). It's also good as a general-purpose fire cement in most applications where direct flame contact occurs.

Price Includes VAT

Everbuild KOS Flue Cement Cartridge

• Easy to use and can be applied with a trowel
• Heat resistant to temperatures up to 1250°C
• Good adhesion to fire bricks, blockwork, stone and clayware
• Suitable for domestic and commercial environments

Available in 300ml cartridges

Liner types (BSEN1857) A1, B1, C1 or direct equivalent or lower specification for chimneys conveying combustion products to corrosion class 3.

How To Use

Pre-treatment

All surfaces must be clean and dry. Dusty surfaces may be primed using a dilution of 4 parts water to 1 part PVA Bond and allowed to dry.

Application

Apply with a cartridge gun. Cut the tip of the cartridge taking care not to damage the thread. Fix the nozzle and cut it to the correct aperture.

Limitations

• As liner/block type can vary, always follow liner manufacturers instructions regarding installation and check this product is compatible with their systems
• Protect joints from rain until construction is finished.
• It is the users responsibility to determine suitability for the use which must be checked with the flue liner manufacturer prior to installation
• In line with current standards and regulations, all flues must be fully smoke tested after insulation to ensure correct function. Similarly when the appliance is fitted the complete system must be smoke tested in line with BS5440 part 1 or direct equivalent by an approved installer, prior to being put into service

Everbuild KOS Flue Cement Cartridge Datasheet