WIN Inside
WIN Inside was developed for the interior sealing of window connection joints. The tape acts as an airtight vapour control layer and limits moisture diffusion from the interior into the joint area.
- High sd value limits the penetration of indoor moisture into the connection joint
- Reduces the risk of condensation and mould formation
- Creates an airtight interior window connection joint
- Fully self-adhesive for fast and secure installation
Technical information
All technical values and test results according to European standards. Custom sizes are produced on request.
| Product Name | IZOTEX WIN Inside / Window Sealing Tape |
| Composition | PES / PE / A / P |
| Roll Width | 20 / 25 / 30 cm |
| Roll Length | 25 m |
| Mass per Unit Area | 365 gsm |
| Sd Value | > 20 m |
| Air Permeability | < 0.1 m |
| Watertightness | W1 |
| Color | White |
| Working Temperature | -10 °C / +50 °C |
| Storage | Can be stored for 12 months at +15 °C to +25 °C in a dry environment, away from direct sunlight. |
What we offer
Technical precision and easy application – for lasting, reliable sealing.
Vapour Control
Limits moisture diffusion from the interior.
High sd Value
Limits the penetration of indoor moisture into the connection joint.
Airtight
Creates an airtight interior connection joint.
Fully Self-Adhesive
For fast and secure application on suitable substrates.
Custom Sizes
Project-specific widths available on request.
Plaster-Compatible Surface
Suitable for direct plaster application.
Split Release Liner
Allows step-by-step removal during installation.
Reduces Condensation
Helps reduce the risk of condensation and mould formation in the connection area.
Frequently asked questions
Everything you need to know about IZOTEX WIN Inside – quickly and clearly.