SikaControl®-777 is a high-performance 2-in-1 water-reducing and waterproofing concrete/mortar admixture formulated with specially developed polymers. It improves the workability, cohesion, pumpability and surface finish of concrete and mortar while reducing water demand and helping protect against water penetration caused by both hydrostatic pressure and capillary absorption. It is suitable for basements, tunnels, sea walls, water-exposed structures, structural concrete, precast concrete, concrete slabs, mortars and plasters.
Product Name: SikaControl®-777
Product Type: High-Performance 2-in-1 Water-Reducing & Waterproofing Concrete/Mortar Admixture
Chemical Base: Specially Formulated Polymers
Appearance: Dark Brown Liquid
Specific Gravity: 1.065 ± 0.02 at 25°C
pH Value: ≥ 6
Chloride Ion Content: <0.2%
Recommended Dosage: 100–200 ml per 50 kg bag of cementitious material
Applications: Concrete, Mortar, Plaster, Waterproof Concrete & Structural Construction
SikaControl®-777 is a robust, high-performance 2-in-1 water-reducing and waterproofing admixture specially developed for concrete and mortar applications. It is a liquid admixture based on specially formulated polymers and is designed to provide improved workability while simultaneously increasing resistance to water ingress.
The product combines two important functions—plasticizing/water reduction and waterproofing—in a single admixture. It helps concrete and mortar achieve improved workability, cohesion, pumpability and surface finish while reducing the amount of mixing water required. At the same time, it improves resistance to water penetration under both hydrostatic pressure and capillary absorption, contributing to enhanced durability of concrete structures.
SikaControl®-777 is suitable for residential, commercial and infrastructure construction and can be used in concrete and mortar structures that are continuously or intermittently exposed to water.
SikaControl®-777 is formulated using specially developed polymers designed to modify the performance of cementitious concrete and mortar systems.
Specially Formulated Polymers
Dark Brown Liquid
The liquid admixture is incorporated into the concrete or mortar mixing process. Its plasticizing effect allows improved workability and can help reduce the water requirement while maintaining the desired consistency. The waterproofing effect helps reduce water penetration through the hardened cementitious matrix.
SikaControl®-777 is compatible with different types of cement and binders, including systems containing materials such as fly ash, ground granulated slag, silica fume and metakaolin.
SikaControl®-777 offers several important performance characteristics:
These characteristics make SikaControl®-777 particularly useful where both workability improvement and water resistance are required from the same admixture.
SikaControl®-777 works through a combination of water reduction, plasticizing and waterproofing effects.
When added to concrete or mortar during mixing, the admixture improves the dispersion and behaviour of the cementitious system. This allows the mix to achieve better workability without relying solely on additional water.
Reducing unnecessary mixing water can help produce a denser and more cohesive cementitious matrix. This is particularly important for waterproof concrete because excessive water can increase permeability and create pathways through which water can penetrate.
The waterproofing function of SikaControl®-777 helps increase resistance to water ingress through both hydrostatic pressure and capillary absorption, thereby contributing to improved durability of the finished concrete or mortar.
SikaControl®-777 is suitable for concrete structures where resistance to water penetration is important. It can be incorporated into concrete used for:
Concrete used in tunnels may experience continuous or intermittent contact with groundwater. SikaControl®-777 can be used as part of a concrete mix designed to provide improved water resistance and durability.
Sea walls and other marine structures are exposed to water and demanding environmental conditions. The admixture can be used to improve water resistance and concrete performance.
SikaControl®-777 can be used in suitable precast concrete applications where good workability, surface finish, water resistance and durability are required.
The product can also be used in cementitious mortar and plaster where improved workability and resistance to water penetration are required.
One of the main advantages of SikaControl®-777 is its ability to combine water reduction with waterproofing.
It can be used in concrete and mortar systems for structures that are:
However, achieving waterproof concrete is not dependent on admixture alone. Sika recommends controlling the water/cement ratio between 0.40 and 0.60, keeping water content as low as practical, placing and compacting the concrete properly, and ensuring complete curing.
SikaControl®-777 provides both water-reducing/plasticizing and waterproofing functions in one product.
It improves the workability of concrete and mortar, making placement and finishing easier.
The admixture helps improve mix cohesion and reduce segregation, supporting more uniform concrete.
Its water-reducing and plasticizing action can improve the pumpability of suitable concrete mixes.
The product can contribute to improved surface appearance and finish of concrete.
It helps protect concrete against water ingress through hydrostatic pressure and capillary absorption.
Reduced permeability and improved concrete quality can contribute to greater durability of structures exposed to water.
SikaControl®-777 is designed to work at relatively low dosage levels, making it an economical option for suitable applications.
| Property | Typical Value |
|---|---|
| Product Type | Water-reducing & waterproofing admixture |
| Chemical Base | Specially formulated polymers |
| Appearance | Dark brown liquid |
| Specific Gravity | 1.065 ± 0.02 at 25°C |
| pH Value | ≥ 6 |
| Total Chloride Ion Content | <0.2% |
| Recommended Dosage | 100–200 ml / 50 kg cementitious material |
| Shelf Life | 12 months |
| Packaging | 5 kg, 20 kg & 230 kg drums or bulk |
| Standards/Reports | IS 2645:2003, IS 9103:1999, ASTM C494 Types A & D |
These are typical published product values. Actual performance and optimum dosage may vary according to cement, aggregate, water/cement ratio, temperature, mix design and site conditions.
The recommended guide dosage for SikaControl®-777 is:
100–200 ml per 50 kg bag of cementitious material.
The exact optimum dosage should be established through trial mixes before full-scale production.
Higher dosages may be required in certain concrete formulations or where water reduction greater than 15% is required. Dosage should always be determined according to the actual mix design and project requirements.
SikaControl®-777 is supplied as a ready-to-use liquid admixture.
For optimum plasticizing and water-reduction performance, Sika recommends adding the admixture to the concrete after approximately 50–70% of the mixing water has already been added.
Sika does not recommend adding SikaControl®-777 directly to dry aggregate or cement.
SikaControl®-777 is compatible with many admixtures used in quality concrete production, including:
It is also compatible with cementitious supplementary materials such as fly ash and silica fume. Trial mixes should be carried out before combining admixtures in a specific concrete formulation.
Correct dosage is important for achieving consistent performance.
Severe overdosage of SikaControl®-777 may result in:
Therefore, the recommended dosage range should be followed and optimum dosage should be established through appropriate trial mixes.
SikaControl®-777 is supplied in:
Packaging availability may vary according to market and supply conditions.
SikaControl®-777 should be stored in its original, unopened and undamaged packaging.
Recommended storage practices include:
If the product freezes, it should be thawed at +5°C or above and completely reconstituted using mild mechanical agitation. Pressurized air should not be used for agitation.
The stated shelf life is 12 months from the date of production when stored under the recommended conditions.
SikaControl®-777 should be handled according to normal construction-chemical safety procedures.
For professional construction projects, the current Sika Safety Data Sheet should always be consulted before handling and application.
SikaControl®-777 can be used in a wide variety of construction applications, including:
SikaControl®-777 provides a practical solution for projects where both water reduction and waterproofing performance are required. Instead of relying on separate products for plasticizing and waterproofing, this 2-in-1 admixture combines both functions in one liquid formulation.
Its ability to improve workability, cohesion, pumpability and surface finish while reducing water penetration makes it particularly useful for modern concrete construction. When combined with appropriate mix design, proper compaction and effective curing, it can contribute to the production of more durable and water-resistant concrete.
SikaControl®-777 is a robust 2-in-1 high-performance water-reducing and waterproofing admixture for concrete and mortar. Based on specially formulated polymers, it is designed to improve workability, cohesion, pumpability and surface finish while reducing water demand and increasing resistance to water penetration.
Its waterproofing action helps protect concrete against water ingress caused by both hydrostatic pressure and capillary absorption, making it suitable for demanding applications such as basements, tunnels, sea walls, structural concrete, precast concrete and other water-exposed structures.
With its low recommended dosage, liquid form, broad compatibility and dual-action performance, SikaControl®-777 is a versatile admixture for residential, commercial and infrastructure construction where improved workability, water resistance and long-term concrete durability are important.
