Structural design and construction with precast concrete elements requires versatile products, from wet precast production to erection on site. Sika, a full range supplier, meets the diverse complexity of the entire precast concrete element production and construction process with solutions for all requirements.

Systems Plus Knowhow

Prefabricated elements produced with Sika precast concrete admixtures

In wet precast concrete production and application, there are many factors to consider. Do you need swift concrete production with ensured concrete performance? Or extended service life and surface appearance that never loses its aesthetic integrity? When it comes to concrete, Sika provides more than admixtures. We provide both expertise and comprehensive systems to help solve your problems and challenges.

Concrete production
Surface appearance
Repair
Bonding
Anchoring
Grouting
Basement waterproofing
Protection
Sealing

Solutions for Wet Precast Concrete

1. Concrete Production

Workability Improvement
High Early Strength Development
Extended Durability
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Are you looking for high initial workability in combination with a target slump life?

High range water reduction combined with required workability time with Sika® ViscoCrete® 

Do you want to produce self compacting concrete?

Secured production of self-compacting concrete even in the presence of difficult raw materials with Sika® ViscoCrete® and Sika® Stabilizer VMA

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Do you need fast early strength development without any accelerator?

High water reduction leading to fast early strength development and high final strengths with Sika® ViscoCrete® 

Do you want to boost early strength development with an accelerator system?

Effective acceleration with SikaRapid®-1 / C-100 (hardening accelerators) and SikaRapid®-2 (set accelerator) for ensured early green strength

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Do you intend to achieve the highest concrete durability?

Extended longevity of concrete with the highest concrete impermeability with Sika® ViscoCrete® and SikaFume® 

Do you want to fulfill special durability requirements?

Durability enhancement with regard to shrinkage crack reduction, fire resistance or impact resistance with SikaFiber®

Do you want to protect the reinforcement against chloride attack?

Protection against chloride-induced corrosion with Sika® FerroGard®-901 S integral corrosion inhibitor 

Do you want to produce concrete with high freeze-thaw resistance?

Defined air-entrainment independent of the mixing process with SikaControl® AER-200 P 

2. Surface Appearance

Mold Release Agent      
Production of Exposed Aggregate Concrete
Coating to Improve Appearance and Durability
Improved Concrete Surfaces and Finishing
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Do you need a certain technology?

FuWll oil based standard mold release agent with Sika® Separol® F

Solvent based mold release agent with Sika® Separol® S

Do you have special requirements regarding Ecology, Health and Safety?

Environmentally friendly water based emulsion mold release agent leading to best surface appearance with Sika® Separol® W

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Do you need a surface applied solution?

Efficient production of exposed aggregate surfaces with Sika® Rugasol® liquid

Do you need a surface retarder for mold application?

Surface retardation applied on the form work with Sika® Rugasol® paste

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Do you want to use a colored protective coating system for non accessible elements?

Aesthetic colored protective coating against aggressive atmospheric influences with Sikagard®-680 S BetonColor and Sikagard®-675 W ElastoColor

Do you want to produce self compacting concrete?

Transparent glaze for protection
against weathering with Sikagard®-674 Lasur W

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Do you want to improve the finishing of concrete surfaces?

Improved concrete cohesion leading to fast and easy finishing with Sika® ViscoCrete® 

Do you want to produce concrete with reduced blow hole risk?

Surface improving admixture with no side effect on other concrete parameters with SikaControl® PerFin®

3. Repair

Repair of Cracks
Repair of Broken Edges
Refurbishment of Honey Combs and Pore Filling
Repair of Structural Concrete Spallings
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What kind of crack do you want to repair? Small, non-structural, < 2 mm width?

Refurbishment of small cracks (< 2 mm) with Sikadur® injection resin

Structural crack, > 2 mm width?

Repair of large cracks (> 2 mm) with Sika MonoTop® (repair mortars) and Sikadur®-31 CF (epoxy repair)

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Do you have aesthetic issues (color, finish, etc.)?

Repair of broken edges with Sika MonoTop® (repair mortars)

Achieve a fine texture with Sika MonoTop® (levelling mortars)

Do you need an epoxy based mortar?

Epoxy-based repair mortar Sikadur®-41 CF

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Do you have any aesthetic requirements?

Repair with high aesthetic appearance (fine texture) with Sika MonoTop® (leveling mortars)

High-quality repair with no special aesthetic requirements with Sika MonoTop®-412 N (repair mortar) and Sika MonoTop®-723 N (pore sealer)

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Do you have a layer thickness < 120 mm?

Safe structural concrete decays with a thickness layer up to 120 mm with Sika MonoTop®-412 Eco (repair mortar) and Sikadur®-41 CF (epoxy mortar)

4. Bonding

Bonding of Concrete Elements
Bonding of Gasket
Bonding with Special Application
Big Applications
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Bonding to which kind of substrate?

Bonding to different substrates with Sikadur®-31 CF range and Sikadur®-30

Do you need to transmit high forces (compressive, tensile, shear)?

Bonding with transmission of high forces with Sikadur®-30 and Sikadur®-31 SBA range

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How do you install the gasket in the connecting sleeve? Bonding or installation in concrete?

Highly durable, easy to install bonding of rubber gasket in connecting sleeve with Sikaflex®

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Do you have bonding of concrete elements in contact with drinking water?

Bonding of concrete elements with drinking water contact with Sikadur®-31 DW (with drinking water approvals) and Sikadur®-31 DW Rapid

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How big is the application – do you need special equipment for efficient application?

Special application equipment (Comix Machine) for big volume adhesive applications of Sikadur®-33.

5. Anchoring

Installation of Anchors After Element Production
Early Loading
Solution where Mechanical Anchors Do Not Work
Special Applications / Substrates
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Regulated or non regulated application?

Anchoring for non regulated applications with Sika AnchorFix®-1

Post fixing of anchors for regulated applications with Sika AnchorFix®-3

Post fixing of anchors & rebars for regulated applications with Sika AnchorFix®-2+, Sika AnchorFix®-2001, and Sika AnchorFix®-3001

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Do you have special needs regarding the curing due to early loading or changing ambient conditions?

Anchoring with shorter pot life for early loading and cold ambient conditions with Sika AnchorFix®-1, Sika AnchorFix®-2+, and Sika AnchorFix®-2001

Application of Sika AnchorFix®-2+ Tropical,  Sika AnchorFix®-3+, and Sika AnchorFix®-3001 (with extended pot life) in hot climate conditions.

Application of Sika AnchorFix®-2+ Arctic in special cold ambient temperatures.

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Installation of anchors within a small concrete layer?

Use of bonded anchors instead of mechanical anchors: Sika AnchorFix® 1 or Sika AnchorFix®-3+

Use of high performance bonded anchors to reduce the embedded depth with the same load performance: Sika AnchorFix®-2+, Sika AnchorFix®-2001 or Sika AnchorFix®-3001.

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Installation of Anchors in special substrates such as light weight concrete and special application for a certain needs?

Application in critical substrates (in terms of staining):
Sika AnchorFix®-3+
Sika AnchorFix®-3001 (epoxy)

Application in cracked concrete & seismic zones:
Sika AnchorFix®-2+
Sika AnchorFix®-3001

Application in drinking water areas:
Sika AnchorFix®-2+
Sika AnchorFix®-3001 (with a certificate for the use in drinking water areas)

Application for a declared resistance to fire:
Sika AnchorFix®-2
Sika AnchorFix®-3001 (with fire resistance certificates)

6. Grouting

Grouting of Post Tensioned Prestressing Tendons
Load Requirements
Temperature Requirements
Special Requirements
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Do you need a cementitious based grout?

Filling of post-tensioning ducts with cementitious SikaGrout®-300 PT

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Do you have special requirements regarding early loading?

Grouting with subsequently early applied loads: Sikadur®-42 series or SikaGrout®-321

Do you have special requirements regarding dynamic loading?

Grouting of parts exposed to dynamic loads with Sikadur®-42 series

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Do you do grouting at low temperatures?

Grouting at ambient temperatures below + 5 °C with Sikadur®-12 Pronto

Do you expect excessive service temperatures?

Grout resisting service temperatures above 60 °C with SikaGrout®-311 / 321 / 334

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Do you need material for grouting with good bond strength to steel?

Grouting with a good bond strength to steel with Sikadur®-42 series

Do you need grout which is exposed to chemicals?

Grouting of parts exposed to chemicals with Sikadur®-42 series

7. Basement Waterproofing

Surface Waterproofing and Protection
Watertight Concrete Structure
Injection Systems
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Surface sealing and protection with a fully bonded high flexible and resistant FPO sheet membrane.

Pre-applied: Sheet membrane SikaProof® A is applied already in the factory before reinforcement and concrete. The benefit is an efficient process, especially on-site, where only the joints have to be sealed (less time consuming)

Post-applied: Adhered SikaProof® P, SikaBit® S sheet membranes are applied on-site when the elements are set 

Post-applied: Liquid applied membranes Sikalastic® or Sika Igolflex® are applied on-site when the elements are set 

Joint Sealing is the key and essential to apply for all joints between pre-cast elements in any case.

Internal joint sealing with Sika® Waterbar®, SikaSwell® or SikaFuko® (re-injectable hose)

External joint sealing with Sikadur Combiflex® SG

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Do you want to produce a watertight concrete structure simply with the precast concrete elements?

Admixtures to create a waterproofed concrete for the precast elements and for the in-situ core concrete with Sika® ViscoCrete®, Sika®-1, or SikaControl® WT

Joint Sealing is the key and essential to creating a watertight concrete system: Sika® Waterbar®, SikaSwell®, Sikadur-Combiflex® SG, and SikaFuko® (re-injectable hose)

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Do you have to repair a leakage in case of a water ingress?

Simple, fast and efficient injections of cracks, joints or voids with Sika®-Injection (foams & resins) based on various technologies

Precaution or repair injection in a specific joint by pre-applied (before concreting) re-injectable hose: SikaFuko®-System

8. Protection

Protection of Fair Faced Concrete Elements
Protection Systems Against Weathering
Protection System Against Chemicals
Concrete Curing
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Do you have any technical requirements (freeze/thaw resistance, water ingress, chloride, etc.)?

High-performance hydrophobic impregnation with Sikagard®-706 Thixo and Sikagard®-705 L

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Do you expect a risk of further cracks on the concrete surface (< 0.5 mm)?

Elastic protection system suitable for crack-bridging with Sikagard®-545 W Elastofill and Sikagard®-550 W Elastic

Do you require extra protection against carbonation and water ingress with long durability?

Rigid protection system for slight mechanical loading: Sikagard®-675 W ElastoColor and Sikagard®-680 S BetonColor

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What kind of chemical exposure do you expect?

Secured protection against high chemical attack with epoxy coatings Sikagard®-63 N and Sikafloor®-390 Thixo

Protection against medium attack for tubbing segments with Sikafloor®-155 W

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Do you want to apply a coating subsequently?

Efficient concrete curing on which organic-based coating can be applied without
substrate preparation with Sikafloor® ProSeal W

Curing with high water retaining action (substrate preparation required) with Sika® Antisol®

9. Sealing

Sealing of Movement Joints
Sealing of Connection Joints
Sealing of Floor Joints
Sealing of Special Applications
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Do you have to seal joints in vertical elements? Do you expect movement of concrete elements?

±25% movement capability and high weathering resistance with Sikaflex®-250 Facade, Sikaflex® Construction, and Sikaflex® AT Facade

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Do you have various materials to seal?

±25% movement capability and good adhesion to many substrates with SikaHyflex®-402 Connection and Sikaflex® AT Connection

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Do you have to seal joints in horizontal surfaces. e.g. Car Parkings, Industrial Floors or Pedestrian Walkways?

High mechanical resistance and meets EN 15651-4 requirements with Sikaflex® PRO 3, Sikaflex® PRO 3 SL, and Sikaflex® Floor

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Do you have to seal joints which will be exposed to agressive media?

High mechanical resistance and high chemical resistance with Sikaflex® PRO 3 and Sikaflex® PRO 3 SL

Sika’s Experts Provide Assistance to Benefit your Business

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Contact a Sika expert near you for technical support and locally available products and systems.

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