Sika Sikaflex EBT Adhesive Filler Sealant C3 White

Product Name: Sika Sikaflex® EBT Adhesive Filler Sealant
Size: 300ml (C3 Cartridge)
Boxed Weight: 530g
Colour: White
Dispensing Method: Cartridge (C3 standard)
Sealant Type: Modified polymer (often referred to as a silicone alternative)
Applications: Bonding, sealing, and gap filling for general industrial and construction use
SVHC Compliance: To Be Advised (Substance of Very High Concern – REACH compliant)
Manufacturer: Sika

Product Overview

Sika Sikaflex® EBT (Elastic Bonding Technology) is a high-performance, multi-purpose 1-part adhesive, filler, and sealant, ideal for a wide range of construction and industrial applications. It combines excellent adhesive strength, gap-filling properties, and weather resistance in one convenient cartridge.

The white finish provides a clean, professional appearance, and it adheres strongly to most construction materials including concrete, brick, wood, metal, and plastics. Unlike standard silicones, Sikaflex EBT offers superior flexibility and does not shrink or crack over time.

Key Features and Benefits

• 3-in-1 Solution – Acts as an adhesive, filler, and sealant
• High Initial Grab – Ensures strong hold without slipping
• Durable & Flexible – Excellent resistance to movement and vibration
• Weather & Water Resistant – Suitable for internal and external use
• Adheres to Most Substrates – Concrete, brick, timber, metals, plastics, and more
• Non-Corrosive & Solvent-Free – Safe for sensitive materials and user-friendly
• Paintable – Once cured, can be overpainted with most water-based paints

Ideal Applications

• Fixing skirting boards, window sills, and wall panels
• Bonding and sealing in bathrooms and kitchens
• Filling expansion joints and cracks in concrete or masonry
• General purpose building repairs and industrial sealing
• Adhering metal fixings, ducting, and cladding

Technical Specifications

Application Instructions

• • Surface Preparation:
  • Ensure all surfaces are clean, dry, and free from oil, dust, or loose debris.
  • Non-porous surfaces may benefit from light abrasion for best adhesion.
• Application:
  • Insert the cartridge into a standard sealant gun.
  • Cut the nozzle to the desired bead width and apply with steady pressure.
  • Smooth the sealant using a wet spatula within the skin time.
• Curing:
  • Allow approximately 24–48 hours for full cure, depending on joint size and ambient humidity.
  • Avoid exposure to water before full curing is achieved.

Safety & Environmental Information

• Solvent-free and low odour
• Ensure adequate ventilation during use
• Avoid contact with eyes and skin
• Keep out of reach of children
• Dispose of empty cartridges in accordance with local regulations

Frequently Asked Questions (FAQ)

Q1: Is Sikaflex EBT a silicone sealant?

A: No, it is a modified polymer sealant, often considered superior to traditional silicones due to its flexibility, paintability, and adhesion to a wider range of surfaces.

Q2: Can I paint over Sikaflex EBT?

A: Yes. Once fully cured, it can be painted with most water-based paints. A compatibility test is recommended.

Q3: Is it suitable for outdoor use?

A: Absolutely. It is fully UV and weather resistant, making it ideal for internal and external sealing.

Q4: What materials does it bond to?

A: It adheres to concrete, masonry, metal, wood, PVC, plaster, ceramics, and many plastics – without the need for primers.

Q5: Can I use it in wet conditions?

A: For best results, surfaces should be dry during application. However, once cured, it is highly water-resistant.

Why Choose Sika Sikaflex® EBT?

With its triple-action performance and proven durability, Sikaflex EBT is the go-to choice for builders, tradespeople, and serious DIYers who need a product that bonds, seals, and fills – all in one. Whether you're working indoors or out, on residential or commercial projects, Sika delivers a professional-grade finish with unmatched reliability.