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Sika Aqua Blok SBR Grey 15L Waterproof Membrane

Professional Grade Sika Aqua Blok SBR Waterproofing

Sika® Aqua Blok® SBR is a high-performance, premixed Class III waterproof membrane specifically designed for under-tile and stone applications. This highly flexible, fast-drying Styrene Butadiene Rubber (SBR) latex modified membrane provides a seamless barrier against moisture in critical areas.

Key Features & Benefits

  • High Extensibility: Superior elasticity (>300%) to accommodate structural movement.
  • Reinforced Formula: Micro-fibre enhanced for increased tensile strength.
  • User Friendly: Premixed and ready to use; water-based and solvent-free.
  • Versatile Application: Suitable for internal and external use, including bathrooms, balconies, and roofs.

Suitable Substrates

  • Concrete and sand/cement screeds
  • Cement render and fibrous cement sheeting
  • Structural particle board and plywood sheeting
  • Water-resistant plasterboard

Product Specifications

  • Color: Grey
  • Packaging: 15 Litre Pail
  • VOC Content: 0.1% w/w
  • Compatibility: Works seamlessly with Sika and CTA tile adhesives.

Downloads:
Technical Data Sheet (PDS) | Safety Data Sheet (SDS)

Technical information provided by Sika Australia