MasterCrete 855

Premium Cementitious Spray Applied Repair Mortar for Cathodic Protection Overlays

How Does MasterCrete 855 Work?

MasterCrete 855 is a wet or dry sprayable, high build repair mortar suitable for civil engineering applications. MasterCrete 855 incorporates specially graded aggregates and advanced cement additives to form a cementitious mortar with low drying shrinkage, ultra low chloride permeability, high alkalinity, low electrical resistance and high strength.

Recommended Uses:

• Repairing areas of concrete that have spalled due to environmental exposure or mechanical damage or where impressed current cathodic protection systems are used.

• Repairs to the underside of bridge decks, piers and beams

• Airport construction

• Building repairs

• Dam, jetty, wharf, retaining walls, sea wall construction and repair

• Rail construction and repairs

• Sewer repair and lining

• Tunnel lining, tunnel rock support

What Makes MasterCrete 855 a Unique Solution?

MasterCrete 855 is an economical high-performance product with low electrical resistivity and is suitable for repairs involving cathodic protection.

What Are the Benefits of MasterCrete 855?

• High build in one pass - achieves a thick repair layer in a single application, minimising the need for multiple coats.

• Minimal rebound - reduces material loss during application, ensuring efficient use.

• Easy spraying - compatible with both dry and wet spraying methods for versatile application.

• Low drying shrinkage - minimises cracking risk for stable, long-lasting repairs.

• High alkalinity - protects the substrate from corrosion by maintaining a highly alkaline environment.

• Low electrical resistance - ideal for applications involving cathodic protection.

• Enhanced durability - high strength and low electrical resistance protect concrete structures over time.