Description
BITUSTIK™ BT Double-Sided Waterproof Sealing Tape
BITUSTIK™ BT is a premium double-sided self-adhesive waterproof sealing tape designed for detailing, joint sealing and membrane installation within below-ground waterproofing systems. Manufactured using a high-performance butyl rubber adhesive reinforced with a durable polyester mesh, it provides exceptional adhesion to concrete, waterproof membranes, PVC waterstops and protection boards. Its flexible construction creates reliable watertight seals around laps, penetrations and detailing, making it an essential accessory for professional structural waterproofing installations.
Designed for use with PREPRUFE®, BITUTHENE®, SERVISEAL®, HYDRODUCT® and GCP protection boards, BITUSTIK™ BT provides a fast, cold-applied installation without the need for heat or specialist equipment. The reinforced butyl adhesive delivers excellent long-term adhesion while maintaining flexibility, ensuring secure waterproof detailing across a wide range of construction applications.
Key Benefits
- Double-sided self-adhesive waterproof tape
- High-performance butyl rubber adhesive
- Reinforced with polyester mesh
- Cold applied – no heat required
- Excellent adhesion to concrete and building substrates
- Compatible with PREPRUFE®, BITUTHENE®, SERVISEAL® and HYDRODUCT® systems
- Flexible for detailing complex junctions
- Creates reliable watertight seals
- Easy peel-and-stick installation
- Suitable for below-ground waterproofing applications
- Ideal for laps, detailing and waterproof membrane sealing
Applications
- Waterproof membrane detailing
- Membrane lap sealing
- PREPRUFE® membrane installation
- BITUTHENE® membrane installation
- SERVISEAL® PVC waterstop bedding
- HYDRODUCT® drainage membrane detailing
- Protection board fixing
- Foundation waterproofing
- Basement waterproofing
- Below-ground waterproofing systems
Technical Information
- Product Type: Double-sided waterproof sealing tape
- Adhesive: Butyl rubber
- Reinforcement: Polyester mesh
- Thickness: 1.5mm
- Roll Sizes:
- 150mm × 10m
- 240mm × 10m
- Minimum Installation Temperature: +5°C
- Minimum End Lap: 50mm
- Application Method: Cold applied
- Storage Temperature: +5°C to +30°C
- Compatible Primer: BITUTHENE® Primer S2
Frequently Asked Questions
What is BITUSTIK™ BT used for?
BITUSTIK™ BT is used for waterproof detailing, membrane lap sealing and bedding SERVISEAL® PVC waterstops within below-ground waterproofing systems.
Which waterproofing systems is it compatible with?
It is compatible with PREPRUFE®, BITUTHENE®, SERVISEAL®, HYDRODUCT® and GCP protection boards.
Does it require heat to install?
No. BITUSTIK™ BT is a cold-applied, peel-and-stick waterproof sealing tape.
What overlap is required?
Roll ends and cut edges should be overlapped by a minimum of 50mm to create a watertight seal.
Can it be applied directly to concrete?
Yes. Concrete should be clean, smooth and dry. BITUTHENE® Primer S2 is recommended on porous or dusty substrates to improve adhesion.
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