Description
Sikadur Combiflex® CF Adhesive Normal – High Strength Epoxy Waterproofing Adhesive
Sikadur Combiflex® CF Adhesive Normal is a 2-part epoxy adhesive designed for bonding Combiflex® waterproofing tapes and systems to a wide range of substrates including concrete and steel.
Engineered for structural waterproofing applications, this high-performance adhesive delivers exceptional bond strength, chemical resistance, and long-term durability—making it ideal for sealing joints, cracks, and movement areas in demanding environments.
Key Features & Benefits
- High-strength epoxy adhesive – structural grade bonding performance
- No primer required – faster application and reduced labour time
- Excellent adhesion – bonds to concrete, steel, masonry and more
- Chemical resistant – performs in aggressive environments
- Easy to mix & apply – thixotropic consistency for vertical use
- Wide temperature performance – suitable from +10°C to +30°C application
- Durable and long-lasting – designed for critical waterproofing systems
Applications
Perfect for use with:
- Sikadur Combiflex® SG System
- Sikadur Combiflex® TF System
Typical uses include:
- Bonding waterproofing tapes over construction joints
- Sealing cracks and movement joints
- Waterproofing basements, tunnels, and water-retaining structures
- Structural bonding in concrete and steel applications
Technical Overview
- Type: 2-part epoxy adhesive (A:B = 2:1)
- Colour (mixed): Light grey
- Pot Life: ~50 minutes at +23°C
-
Tensile Adhesion:
- Concrete: >4 N/mm²
- Steel: >10 N/mm²
- Service Temperature: -30°C to +38°C
- Compressive Strength: Up to ~54 N/mm² (7 days)
- Application Temperature: +10°C to +30°C
Why Choose Sikadur Combiflex® CF Adhesive?
This adhesive is specifically developed for critical waterproofing systems, ensuring a secure and permanent bond between Combiflex tapes and substrates. Its primer-free application and high mechanical strength make it a go-to solution for professionals who need reliability on-site.
Frequently Asked Questions (FAQs)
❓ What is Sikadur Combiflex® CF Adhesive used for?
It is used to bond Combiflex waterproofing tapes to substrates like concrete and steel in waterproofing and joint sealing systems.
❓ Do I need a primer before applying this adhesive?
No, it is designed for direct application without primer, saving time on site.
❓ Can it be used externally?
Yes, it is suitable for both internal and external applications.
❓ What substrates can it bond to?
It bonds effectively to concrete, steel, masonry, stone and mortar when properly prepared.
❓ How long is the working time?
Approximately 50 minutes at 23°C, depending on temperature conditions.
❓ Is it suitable for structural waterproofing?
Yes, it is classified under EN 1504-4 structural bonding, making it suitable for demanding applications.
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