Concrete for watertight structures formulated with advanced Sika admixtures (Sika Viscocrete and Sika 1) adapts to individual design criteria and meets highest quality performance criteria. Sika “White Box concept" comprising waterproof concrete and joints waterproofing leads to durable and economic watertight concrete structures.
Every concrete structure contains constructions joints and very often expansion joints with even high movements be considered. Sika, Tricosal and Greenstreak waterstops, Sika Combiflex and Dilatec adhesive tapes, SikaSwell profiles and sealants and SikaFuko injection hoses allow the design of the correct and practical sealing solution for each and every type of joint in the structure.
Highly flexible membrane systems protect any concrete structure up to the highest requirements. Loose laid Sikaplan PVC and TPO sheet membrane systems are designed for long-term durability and can be built as standard single layer compartment systems up to the active control system for highest demands. SikaProof, a fully-bonded TPO membrane system offers customers high waterproofing safety and installation efficiency, typically used for basements
Specific protection and waterproofing of concrete structures may be carried out by roller or sprayed applied coatings. Common bituminous Sika Igoflex coatings for lower end waterproofing applications up to high quality polyurethane and polyurea Sikalastic coatings cover a wide range of project requirements.
Waterproofing of new and old concrete structures is often done by watertight mortars and cementitious polymer modified renderings, either hand or spray applied. Sika one- or two-component watertight mortars are of high quality with specific approval for use in contact with potable water.