Tunnels

Sika Waterbar® O-15

Flexible PVC waterbars used to seal construction and expansion joints in new concrete structures

SikaSwell® S-2

SikaSwell® S-2 is a 1-part polyurethane hydrophilic sealant which swells in contact with water to seal all types of construction joints and penetrations in concrete.

SikaSwell® A

SikaSwell® A is an acrylic sealing profile which swells in contact with water to seal all types of joints and penetrations in concrete. It has a rectangular profile and is available in several sizes.

Sika®-1+

Sika®-1+ is liquid waterproofing admixture used for permeability reduction in concrete and cementitious mortars. A concrete or mortar containing Sika®-1+ can achieve extremely enhanced properties regarding its water permeability and water tightness.

Sika® WT-200 P

Sika® WT-200 P is a combined water resisting and crystalline waterproofing admixture used to reduce the permeability of concrete and to enhance the self-healing abilities of the concrete.