Conbextra HF is a high-flow, non-shrink, cementitious grout for grouting of gap thicknesses 10 to 100 mm It conforms to the requirements of BS EN 1504-3 Class R4 and BS EN 1504-6: Anchoring of reinforcing steel bar.
Conbextra HF is supplied as a ready to use dry powder. The addition of a controlled amount of clean water produces a free-flowing grout for gap thickness up to 100 mm. In addition the low water requirement ensures high early strength and long-term durability.