Lafarge cements are ideal for general purpose concreting, and for applications where there are specialised requirements such as early strength, cold weather working, sulphate resistance, etc

Ground Granulated Blastfurnace Slag BS EN 15167-1
A ground granulated blastfurnace slag suitable for use in combination with Portland cement in concrete, particular uses include:
- Concrete containing reactive aggregates.
- Large pours to reduce the risk of early-age thermal cracking.
- Concrete exposed to sulfates or aggressive ground.
- Concrete exposed to chlorides.

(BS EN 450-1:2005 - Fineness Category N)
Lafarge Fly Ash N is a quality assured fly ash suitable for use in combination with Portland cement (CEM I) in concrete. Particular uses include:
- Minimising the risk of ASR in concrete containing reactive aggregates.
- Large pours to reduce the risk of early-age thermal cracking.
- Concrete exposed to sulfates or aggressive ground.
- Concrete exposed to chlorides.

(BS EN 450-1:2005 - Fineness Category S)
Lafarge Fly Ash S is an enhanced quality fly ash suitable for use in combination with Portland cement (CEM I) in concrete. Particular uses include:
- Minimising the risk of ASR in concrete containing reactive aggregates.
- Large pours to reduce the risk of early-age thermal cracking.
- Concrete exposed to sulfates or aggressive ground.
- Concrete exposed to chlorides.
