Sika Sikaproof 5L White is a premium, liquid-based waterproofing admixture designed for cementitious applications requiring enhanced moisture resistance. Engineered to penetrate and seal capillaries within concrete and mortar, this ready-to-use admixture enhances durability, prevents water ingress, and extends the service life of construction materials in both internal and external environments.

Sika Sikaproof is the trusted choice for professionals seeking a reliable, high-performance solution to protect structures against dampness, efflorescence, and long-term water damage.

Key Features and Benefits

• Advanced Waterproofing: Significantly reduces water absorption in cement-based materials by sealing pores and microcracks.
• Chloride-Free Formula: Non-corrosive and safe for use in reinforced concrete and structural applications.
• Improves Durability: Increases resistance to freeze-thaw cycles, sulphate attack, and efflorescence.
• Versatile Applications: Ideal for use in concrete, mortar, screed, and render for both horizontal and vertical surfaces.
• Enhanced Workability: Improves mix consistency and trowelability, making application easier and faster.
• Ready-to-Use Liquid: Easy to dose and mix, with no premixing or dilution required.
• Low VOC and Environmentally Friendly: Formulated for minimal environmental impact and user safety.

Applications

Sika Sikaproof is suitable for a wide range of internal and external cement-based applications where water resistance is critical:

• Concrete foundations and basements
• Retaining walls and tanks
• Bathrooms and wet rooms
• Swimming pools and water features
• Screeds, renders, and plasters exposed to moisture
• External masonry and retaining structures

Technical Specifications

Property Value Product Name Sika Sikaproof 5L White Boxed Weight 5.3 kg Net Volume 5 litres Color White liquid Form Liquid admixture pH Value Approx. 89 Chloride Content Nil (chloride-free) Shelf Life 12 months (in original, unopened packaging) Packaging Recyclable plastic container Storage Conditions Store in cool, dry conditions, protect from frost Compliance Standards Conforms to BS EN 934-2

Dosage and Application Instructions

• Recommended Dosage:
  Approximately 250 ml per 25 kg of cement. Dosage may vary based on specific mix design and environmental conditions.
• Mixing Guidelines:
  Add Sika Sikaproof to the mixing water prior to combining with cement. Ensure thorough dispersion throughout the mix. Do not add dry to the cement.
• Compatibility:
  Compatible with all Portland cement types and most common admixtures. Trial testing is recommended when used with pigments or other additives.

Health & Safety

• Non-hazardous when used as directed.
• Avoid prolonged skin contact and ingestion.
• Use protective gloves and eye protection.
• Refer to the Safety Data Sheet (SDS) for detailed health and environmental information.

Frequently Asked Questions (FAQ)

Q1: What does Sika Sikaproof do?

A: Sika Sikaproof is a waterproofing admixture that reduces water permeability in cement-based mixes, making them more resistant to water damage and dampness.

Q2: Can I use Sika Sikaproof in reinforced concrete?

A: Yes. It is chloride-free and non-corrosive, making it safe for use in reinforced concrete applications.

Q3: Will it change the color of the finished concrete or mortar?

A: No. Although the liquid is white, it will not affect the final color of properly mixed and cured cement-based materials.

Q4: Is it suitable for underground waterproofing?

A: Yes, Sika Sikaproof can be used in basement walls, foundations, and other below-grade applications when properly incorporated into the mix design.

Q5: Does it affect curing time?

A: Slight changes may occur depending on the ambient conditions and mix composition, but Sika Sikaproof is not a set accelerator or retarder.

Q6: Can I use it with screeds and renders?

A: Absolutely. It enhances water resistance in screeds, renders, and plasters exposed to moisture.

Q7: How should I store the product?

A: Store in original container in a dry, cool, frost-free environment, sealed tightly when not in use.

Why Choose Sika Sikaproof?

Backed by Sikas world-renowned expertise in construction chemicals, Sikaproof 5L White represents the next generation in waterproofing admixtures. Its reliable performance, ease of use, and environmental friendliness make it a top choice for contractors, builders, and DIY users alike.

Whether youre waterproofing a home bathroom or constructing a commercial foundation, Sika Sikaproof delivers trusted protection, every time.