Fosroc Conbextra Hs 20kg

Fosroc Conbextra HS is a high-strength, precision, cementitious grout supplied as a ready-to-use dry powder. When mixed with a controlled amount of clean water, it produces a free-flowing, non-shrink grout suitable for gap thicknesses up to 125mm. Formulated with a blend of Portland cement, graded fillers, and chemical additives, it features dual expansion properties to compensate for shrinkage in both the plastic and hardened states, ensuring excellent dimensional stability and durability.

Uses

• Grouting beneath:

  • Baseplates and structural columns

  • Precast elements and anchor bolts

  • Machinery and heavy plant equipment

• Suitable for use in civil, industrial, and infrastructure projects

Key Features and Benefits

• Dual expansion system – compensates for shrinkage in both plastic and hardened states

• Excellent flowability and retention – ideal for small and large pours

• Rapid early strength gain – supports quick turnaround and equipment installation

• High ultimate compressive strength – ensures long-term structural integrity

• Low permeability – durable in aggressive conditions

• Hydrogen-free gaseous expansion – prevents metallic corrosion

• Chloride-free – safe for use with steel reinforcement

• Suitable for pouring or pumping across a wide range of temperatures and consistencies

Packaging
20kg bag