KYK Megaİzo Bant S901
Waterproofing Tape for Corners and Joint Details
Product Description
KYK Megaİzo Bant S901 is an elastomeric resin-based waterproofing tape reinforced with a polyester mesh carrier. It has been developed to ensure continuous waterproofing at corners, construction joints, and connection details. It provides reliable waterproofing continuity, especially in critical areas where movement and water penetration are most likely to occur.
Application Areas
It can be safely used on both horizontal and vertical surfaces in interior and exterior applications.
Wall Applications
- Cement-based plaster
- Concrete
- Joints between screed and drywall, MDF, cement board, sheet metal, or steel
- Connections between different construction materials (e.g., drywall-to-concrete, metal-to-plaster)
Floor Applications
- Cement-based screeds
- Concrete
- Floor transitions between different construction materials
- Areas where 1–2 cm expansion joints need to remain waterproof
Additional Applications
- Wet areas such as bathrooms, toilets, balconies, and terraces
- Around pipe penetrations
- Roof connection details
- Reinforcement of static cracks for waterproofing purposes
Product Advantages
- Fast and easy application
- Fully compatible with cementitious waterproofing mortars
- Thin profile that does not increase floor or wall thickness
- Excellent resistance to temperature fluctuations
- Provides complete waterproofing at corners and joint details
Technical Specifications
| Property | Value | Standard |
|---|
| Water Pressure Resistance | 1.5 bar | DIN EN 1928 |
| Longitudinal Elongation | ≥22% | DIN EN ISO 527-3 |
| Transverse Elongation | ≥139% | DIN EN ISO 527-3 |
| Temperature Resistance | -30°C to +90°C | SIA V280/3+4 |
| Hardness | Shore A 70 | ISO 868 |
| Thickness | 0.52 ± 0.1 mm | — |
| Overall Width | 120 mm | — |
| Waterproofing Strip Width | 70 mm | — |
| Roll Length | 50 m / 10 m | — |
| Color | Grey | — |
Application Procedure
- Apply the selected waterproofing material to the surface with a minimum thickness of 1 mm.
- Place KYK Megaİzo Bant S901 onto the fresh, wet waterproofing layer.
- Press the tape firmly with a trowel to ensure complete contact with the surface.
- Make sure no air bubbles remain beneath the tape.
- After the first coat has cured, apply a second waterproofing coat to completely cover the tape.
Cracks wider than 3 mm should be filled with a suitable polyurethane sealant before application.
Application temperature: +5°C to +35°C.
Storage and Shelf Life
- Shelf life: 24 months
- Store in a cool and dry environment.
- Protect from direct sunlight.
- Opened rolls should be used as soon as possible.
Frequently Asked Questions
When is KYK Megaİzo Bant S901 required?
It is particularly recommended for corners, movement joints, and connection details to maintain continuous waterproofing in wet areas.
What is the temperature resistance range?
It maintains its performance between -30°C and +90°C.
Should it be covered after installation?
Yes. For complete protection, the tape must be fully embedded and covered with the selected waterproofing material.
Is it self-adhesive?
No. It is embedded into the waterproofing mortar during application.
Conclusion
KYK Megaİzo Bant S901 is a flexible and durable waterproofing reinforcement tape designed to ensure uninterrupted waterproofing performance at construction details, corners, and joints.
KYK Megaİzo Bant S901 — Complete protection where details matter most.