Use Gripset BRW HD for: Subterranean waterproofing, planter boxes, roof gardens, basements, terraces, and more.
Gripset BRW HD is a self-adhesive butyl rubber sheet membrane with a high-strength HDPE film facing, designed for subterranean waterproofing and high-performance multi-layered applications. It provides instant waterproofing with outstanding adhesion, flexibility, and resistance to harsh environmental conditions.
Key Features of Gripset BRW HD
- Self-adhesive with high bond adhesion
- Performs in extreme temperatures (-30ºC to 80ºC)
- Excellent resistance to vibration, movement, and flexing
- Primer-free application on metal, plastic, and glazed surfaces
- Outstanding waterproof and vapour-resistant properties
- No heat welding, solvent-free, and non-toxic
- High tear strength, puncture resistance, and dimensional stability
- Instant sealing with no drying time
- AS4858 & AS4654.1 compliant
Technical Overview
- Chemical Properties: Butyl rubber with HDPE laminate
- Application Temperature Range: -30ºC to 80ºC
Trade Professional Information
- Required Tools: Hand rollers, utility knives, measuring tape
- Trade-Specific Tips: Ensure surface is clean and dry for best adhesion
- Common Issues and Solutions: Use BRW FG Tape for end overlaps to prevent water ingress
Storage and Shelf Life
- Store upright in dry conditions
- 12-month shelf life
- Temperature resistant; unaffected by frost or cold floors
Certifications
- AS4858 Compliant
- AS4654.1 Compliant
Frequently Asked Questions About Gripset BRW HD
Q: What is Gripset BRW HD used for?
A: Gripset BRW HD is a self-adhesive butyl rubber sheet membrane designed for subterranean waterproofing and multi-layered sheet membrane applications.
Q: Can Gripset BRW HD be used in underground applications?
A: Yes, it is ideal for underground retaining walls, basement walls, lift pits, tunnels, and planter boxes.
Q: Does Gripset BRW HD require a primer before application?
A: Yes, porous surfaces require Gripset GP Primer, non-porous surfaces require Gripset OP Primer, and damp surfaces require Gripset E60.
Q: How does Gripset BRW HD handle temperature variations?
A: It performs well in temperatures ranging from -30°C to 80°C, maintaining flexibility and adhesion in extreme conditions.
Q: Can Gripset BRW HD be exposed to UV light?
A: No, it must be covered or protected from UV exposure to maintain its integrity.
Use Gripset BRW HD for:
- Underground retaining walls
- Planter boxes and garden beds
- Roof gardens
- Basement and lift pit walls
- Podium decks and terraces
Why Use Gripset BRW HD:
- Quick application with no drying time
- Superior waterproofing with instant adhesion
- Highly flexible and crack-resistant
- Non-toxic and solvent-free
h3>How to apply Gripset BRW HD:
- Ensure the surface is clean, dry, and free from contaminants.
- For porous surfaces, apply an appropriate primer.
- Unroll the sheet and cut to required lengths.
- Remove a section of the release liner and position the membrane.
- Gradually remove the liner while pressing the membrane firmly onto the substrate.
- Use a hand roller to ensure full adhesion and remove air bubbles.
Gripset BRW HD limitations:
- Not designed for UV exposure
- Not suitable for trafficable surfaces
- Not intended for use over expansion joints
Safety precautions when using Gripset BRW HD:
- Personal Protective Equipment: Wear gloves and safety glasses when handling the membrane.
- Ventilation: Use in well-ventilated areas to avoid fume build-up when applying primers.
- Handling: Ensure hands are clean and dry before working with the membrane for proper adhesion.
- Clean-up: Use appropriate cleaning methods to remove adhesives or primers from tools and surfaces.
- Storage: Store in a dry, temperature-controlled environment and keep rolls upright.
- Disposal: Dispose of waste material according to local environmental regulations.
Gripset BRW HD can be used on the following substrates:
- Concrete, screed, and masonry
- Compressed fibre cement sheeting
- Timber sheeting and plywood
- Metals (galvanised iron, zincalume, stainless steel, copper, aluminium)
- Glazed surfaces, marble, granite, ceramics
- PVC, DPC films, and rigid plastics
- Over existing epoxy coatings
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