A Grout

An easy to use free-flowing chloride-free grout for grouting applications involving steel or precast concrete.
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A Grout is a chloride-free material suitable for a range of applications including grouting cable ducts in post tensioned concrete, under-plate grouting, underpinning, non-shrink repair mixes, infill concrete and jointing precast units. It displays good flow and non-shrink characteristics and can be safely used in contact with steel.


A Grout consists of a refined lignosulphonate plasticiser plus a finely divided coated aluminium powder. The plasticiser enables high workability mixes to be produced at low water contents and the aluminium powder dissolves in the cement paste to produce a positively expanding material. After setting there is no metallic residue or staining from the low pressure expansion system.