Water-based, bitumen protective coating

MaxProof 425 is a brown/black bituminous emulsion compound. It is used as a cold applied primer, damp proofing and protective coating for concrete and masonry.

MaxProof 425 can be easily applied by stiff brush. After drying, it gives a tough, black seamless, flexible membrane with excellent adhesion to concrete, steel, wooden surfaces and cement-based substrates.

MaxProof 425 prevents salts in groundwater from penetration into reinforced concrete structures which can cause reinforcement corrosion and concrete deterioration.

Features and benefits

• Cold applied. Economical & easy to use.
• Can be applied to damp substrates.
• Good bond to concrete, masonry, steel and wood.
• Water-based. Contains no solvents.
• Prevents the absorption of saline solutions into concrete structures.

Coverage

• Primer: 4-5 m²/kg (one coat only).
• Protective coating: 1.5-2.0 m²/kg.
• Waterproofing mortar: 50 kg OPC + 150 kg sand + (4-5 kg) of MaxProof 425 will cover approximately 5-6 m² @ 2 cm thickness.

MaxProof 425 can be used in the following applications:

• General waterproofing applications for concrete, steel and wooden surfaces.
• As a protective coating for concrete structures against aggressive soil salts and contaminated ground water.
• As a vapor barrier on concrete and masonry walls prior to cladding.
• As a primer for bituminous waterproofing membranes.
• When mixed with sand & cement, it produces a waterproofing mortar.
• As a curing compound on fresh concrete.