Everbuild KOS Fire Cement Cartridge Buff

Everbuild SKU: 101286
buff fire cement

Everbuild KOS Fire Cement Cartridge Buff

Everbuild SKU: 101286
£2.51(inc VAT) Regular price £3.99(inc VAT) Sale price
(inc VAT) /

Pre-Order Item – Up to 10 Working Days

Everbuild KOS Fire Cement contains the same formula as Kos Fire Cement Buff but in a handy sealant, gun applied cartridge.

Everbuild KOS Fire Cement is a ready mixed blend of thermosetting resins and temperature resistant inorganic fillers that cures when exposed to heat to give a seal that is resistant to temperatures up to 1250°C. Suitable for fixing/repairing fire backings etc. 

Price Includes VAT

Everbuild KOS Fire Cement Cartridge Buff

  • 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

Can be used with

  • Fire bricks
  • Fire grates
  • Flue pipes
  • Flue bricks
  • Boilers
  • Fireplaces
  • Solid fuel ovens

How To Use


All surfaces must be clean, free from dust, grease and other contamination.
Wet all surfaces to give a good key


  1. Use straight from the cartridge
  2. If required soften with a small amount of water 
  3. Work the fire cement well into the joints
  4. After applying, gradually increase heat over a 4 hour period.
  5. Make good any cracks that may form with fresh cement to form a smoke tight seal.


  • Not suitable as a gas sealant
  • Always moisten surfaces prior to applying
  • Always apply heat gradually
  • Not suitable for use where the product will be exposed to water/rain

Everbuild KOS Fire Cement Cartridge Buff Datasheet

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