
IZOTEX® ULTRA is a three-layer waterproofing membrane for bathrooms and wet areas. It creates a permanently watertight layer beneath tiles and reliably protects walls and floors against moisture and splash water.

Overview of the key technical properties and performance values of IZOTEX® ULTRA.
| Product Name | IZOTEX® ULTRA / Waterproofing membrane for use beneath tiles |
| Composition | PES / PE / PES |
| Roll Width | 100 / 50 / 25 cm |
| Roll Length | 30 m |
| Mass per Unit Area | 220 gsm |
| Watertightness | W1 |
| Sd Value | > 20 m |
| Reaction to Fire | Class E |
| Color | Blue |
| 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. |
Three-layer, watertight membrane for wet areas and direct tile installation.
Three-layer construction for effective waterproofing beneath tiles.
Tested watertightness class W1 according to EN 1928.
Suitable for bathrooms and other wet-area applications.
Adapts well to corners, connections and sanitary details.
Suitable for wall and floor surfaces in wet areas.
Ceramic tiles can be applied directly using a suitable tile adhesive.
Easy to cut and simple to install.
Provides effective waterproofing with a single layer.
Everything you need to know about IZOTEX ULTRA – quickly and clearly.