Fosroc Renderoc Cac Dry Spray ( 4mm) 20kg Mto

Fosroc Renderoc Cac Dry Spray ( 4mm) 20kg MtoRenderoc CAC Dry Spray (4mm) is a high performance, dry spray applied calcium aluminate mortar specifically formulated for the rehabilitation and protection of concrete in sewer systems and wastewater treatment infrastructure. Its advanced calcium aluminate composition delivers exceptional resistance to biogenic corrosion caused by hydrogen sulphide gas and microbial activity. Key Features: Superior biogenic corrosion resistance ideal for harsh sewer

Renderoc CAC Dry Spray (4mm) is a high-performance, dry spray-applied calcium aluminate mortar specifically formulated for the rehabilitation and protection of concrete in sewer systems and wastewater treatment infrastructure. Its advanced calcium aluminate composition delivers exceptional resistance to biogenic corrosion caused by hydrogen sulphide gas and microbial activity.

Key Features:

• Superior biogenic corrosion resistance – ideal for harsh sewer environments

• Dry spray application – fast, efficient coverage with reduced rebound

• High-build formulation – suitable for vertical and overhead applications

• Inhibits microbial growth and neutralizes sulphuric acid

• Excellent adhesion to damp concrete surfaces

• Free from chlorides and VOCs – safe for confined space application

Typical Uses:

• Restoration and protection of sewer manholes, pipelines, and treatment plants

• Protective lining for new or existing infrastructure exposed to corrosive wastewater conditions

Packaging:
20kg bag – Made to Order (MTO)

Maximum Aggregate Size:
4mm

Coverage:
Approximately 10–12 litres per 20kg bag (dependent on substrate and application thickness)

Compressive Strength:
Typically exceeds 50 MPa at 28 days