Concrete Waterproofing Watertight Concrete

Waterproof concrete is an impermeable concrete used for long-lasting, durable watertight construction. To improve the impermeability of the concrete, water-resisting admixtures can be added. Nevertheless, design and construction of a watertight concrete structure is a system approach, and waterproof concrete is only one element of it. Water impermeability is determined by fulfilling requirements to limit water permeability through the concrete itself, the joints, installation parts and cracks.

Sika's Admixtures for Waterproof Concrete Have Many Advantages

  • Significantly improve durability and sustainability of the hardened concrete
  • Reduce maintenance costs
  • Sika® WT-100 ensures water tightness without other expensive measures
  • Sika® WT-200 series additionally enhances the self-healing properties of concrete and promotes the ability to heal concrete cracks
  • Increase in service life of the construction
  • Waterproof concrete achieved with our admixtures can be used as part of the Sika® Watertight Concrete System  

Sika Offers a Comprehensive Solution for Watertight Structures

The Sika® Watertight Concrete System can be used for all types of below-ground structures, including habitable basements, car parks and areas for business use. As with all below-ground structures, adequate ventilation and air conditioning should be ensured according to the intended use.

Keeping water OUT Keeping water IN
Below-ground rooms Swimming pools
Habitable basements Water-retaining structures
Parking garages Dams
Utility / plant rooms Water infrastructure
Tunnels Waste water treatment structures

Key Advantages of Sika® Watertight Concrete System

  • Time saved at design and construction stages, as the need for complex detailing and installation is eliminated
  • Cost effective in comparison with other systems
  • Delivers maximum usable area to the occupier
  • Peace of mind for the owner, designer, contractor, and end user of the building

Sika® Watertight Concrete System Components

Concrete Mix Render

Sika® WT-100 series is a range of pore blocking admixtures.

Sika® WT-200 series is a range of crystalline pore-blocking and enhancement self-healing admixtures.

Concrete Slab

Sika® ViscoCrete® can be used for lower water-cement ratio, which reduces the size of the capillary structure.

Sika Waterbar Illustration

Sika® Waterbar are used to waterproof expansion (movement) and construction (no-movement) joints.

Sikaswell Illustration

SikaSwell® profiles and sealants swell in contact with water to seal construction joints (non-movement joints), service entries and penetrations.

Sikaswell Illustration

SikaSwell® rings and plugs and Sikadur®-31 are used to seal formwork tie bar holes against water ingress.

Concrete Wall Antisol

Sika® Antisol® is a spray-applied curing compound to prevent early moisture loss.

SikaDur Combiflex Illustration

Sikadur-Combiflex®-SG is a high performance joint and crack sealing system.

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