Butyband Fleece

Airtight Sealing Tape

Self-adhesive butyl flashing tape designed for the airtight sealing of seams and gaps in construction. It provides excellent adhesion to porous and mineral substrates, making it ideal for sealing connections between building elements such as concrete slabs, walls, and window interfaces.

Formulated for durability and flexibility, this tape delivers reliable long-term performance with strong bonding, even at low temperatures. Its high flexibility allows for movement within joints while maintaining an effective airtight seal.

Open technical data sheet

Key Benefits

• Excellent adhesion to porous and non-porous substrates, including smooth surfaces
• High thermal stability
• Strong adhesion at low temperatures
• Flexible for joint movement
• Can be plastered over

Technical Data Sheet

Technical data sheet

Application

• Choose the correct tape width and cut to required length
• Remove protective backing evenly
• Apply to clean, prepared surfaces and press firmly
• Smooth creases using hand pressure or a roller
• Ensure a minimum 5cm overlap when joining multiple strips

Applications

• Airtight sealing of joints and gaps in construction
• Window to wall connections
• Concrete and masonry joints
• Floor-to-wall connections

FAQs

What is this tape used for?
It is used to create airtight seals between joints, gaps, and building connections.

Can it be used on concrete and masonry?
Yes, it adheres well to porous and mineral substrates including concrete and brick.

Does it work in cold temperatures?
Yes, it maintains strong adhesion even at low temperatures.

Can it be plastered over?
Yes, the tape is suitable for plastering applications.

How is it installed?
Cut to size, remove backing, apply to a clean surface, press firmly, and overlap joints by at least 5cm.