Flexible sealing and reliable bonding: Bitumen Flex Sealing Tape
Flexible sealing tape with fleece and a coating made of highly adhesive elastomer bitumen.
Ideal for bonding wood fiber insulation boards to chimneys, valleys, and roof window connections.
Suitable for base areas of timber frame constructions, as a damp-proof course, etc. Stretchable up to 30%.
Not UV-resistant. Suitable for use under roofing or in protected indoor areas.
Your advantages at a glance
- Highly adhesive elastomer bitumen – reliable bonding and sealing
- Flexible fleece – adapts perfectly to contours and transitions
- Cold application – fast, clean, no flame required
- Elastic – up to 30% stretch for movement joints
Especially suitable for
- Bonding wood fiber insulation boards
- Chimneys (connections and transitions)
- Valleys and detailed areas
- Roof window connections
Technical data
| Width |
200 mm |
| Roll length |
10 m |
| Thickness |
1.5 mm |
| Elongation |
up to 30% |
| Material |
Fleece with elastomer bitumen coating |
Weather resistance: Not permanently UV-resistant. Use in protected areas only.
Application instructions (for maximum adhesion)
1) Surface preparation
- Surface must be dry, clean, dust- and grease-free
- Stable and load-bearing
- No silicone residues
2) Primer depending on surface
- Porous surfaces (e.g. stone, concrete, plaster): universal primer
- Wood fiber boards / timber: bitumen primer
3) Temperature
- Minimum: 10°C
- Optimal: approx. 20°C
4) Positioning
- Align and cut tape
- Remove release film step by step
5) Apply and press
- Press firmly
- Avoid air bubbles
- Use a pressure roller if possible
Important note: Not compatible with silicone.
Note: Check suitability for your specific application.
Installation and datasheet (PDF)
