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Belzona 5122 (Clear Cladding)

Belzona 5122 (Clear Cladding)


A water repellent breathable treatment designed to protect masonry surfaces from water penetration without altering the natural appearance of the structures, as it becomes transparent when cured.

This solvent-free material prevents spalling and cracking of surfaces such as concrete, stone and brick, while reducing dirt retention. It is supplied as a concentrate, which can be easily diluted on-site with water and applied by brush or spray to provide long-term protection and maintain building fabric insulation properties.

Key benefits:

  • Long-term waterproofing of masonry surfaces
  • Microporous structure allowing the substrate to breathe
  • Retains the natural appearance of the structure – transparent when cured
  • Improved building insulation properties
  • Reduced dirt retention as well as growth of mildew, moss and lichen
  • Prevents spalling and cracks as a result of freeze – thaw cycles
  • Application and cure at ambient temperature – no hot work involved
  • Reduced health and safety risks as it is solvent-free
  • Suitable for dilution on-site prior application by brush or spray
  • Excellent adhesion to a wide range of porous mineral surfaces including concrete, limestone, brick and sandstone

Applications for Belzona 5122 (Clear Cladding Concentrate) include:

  • Waterproof treatment for protection of brickwork, stone and concrete structures
  • Long-term protection of statues and monuments from the damage caused by water ingress
  • Reconstructed stone protection
Key technical data:
Working life 24 hours
Drying time 2 hours under normal climatic conditions
Dilution Normal conditions:
1 litre concentrate – 9 litres of waterHarsh climates:
1 litre concentrate – 7 litres of water
Coverage rate (1 diluted litre) Practical coverage rate:
2.6 sq.m. (28 sq.ft.) per diluted litre on smooth concrete and brick1.3 sq.m. (14 sq.ft.) per dilutedlitre on rough concrete and soft brick
Shelf life 3 years when stored between 5°C (41°F) and 30°C (86°F)
Bonds to Concrete, limestone, brick, sandstone and other natural materials
Typical applications Water repellent treatment for masonry protection
Unit size 1 ltr, 25 ltr. Pack sizes may vary locally.
Availability* Global