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Gripset BRW HD HDPE Reinforced Butyl Rubber Waterproofing
Gripset BRW HD HDPE Reinforced Butyl Rubber Waterproofing

Gripset BRW HD HDPE Reinforced Butyl Rubber Waterproofing

Gripset BRW HD is a self-adhesive butyl rubber sheet membrane with a high-strength HDPE film, designed for subterranean waterproofing and multi-layer applications. Featuring instant sealing, excellent adhesion, and superior flexibility, it withstands vibration, movement, and extreme temperatures (-30ºC to 80ºC). The membrane is solvent-free, non-toxic, and offers outstanding chemical resistance. It requires no heat welding or primers on metallic, plastic, or glazed surfaces. Ideal for underground retaining walls, planters, roof gardens, basements, podiums, and more, Gripset BRW HD ensures rapid application with no drying time.
Vendor: Gripset
SKU: GRIPBRWHD/1000
Availability: Out Of Stock
$424.89
$424.89
Prices do not include GST
Physical Properties
Chemical properties: Butyl rubber with hdpe laminate
Colour: Black hdpe face, black butyl backing
Thickness: 1mm
Specific weight: 1.55g/cm³
Tensile strength: >3 mpa
Elongation: <300%
Membrane class: Class iii
Water vapour transmission: 1g/24h/m²
Water absorption: 2%
Service temperature: -30°c to 80°c
Compliance: As4858, as4654.1
Storage temperature: Room temperature, dry conditions
Shelf life: 12 months
Shipping & Delivery

$15.95 + GST for Australia-wide shipping, excluding DG, oversized, long-length, and bagged items over 15kg. Remote areas and site deliveries are also ineligible. If your order includes any of these, we’ll contact you to arrange additional freight fees. Online purchases only.

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Gripset BRW HD HDPE Reinforced Butyl Rubber Waterproofing
Gripset
Gripset BRW HD HDPE Reinforced Butyl Rubber Waterproofing
$424.89
Gripset BRW HD HDPE Reinforced Butyl Rubber Waterproofing
Gripset BRW HD HDPE Reinforced Butyl Rubber Waterproofing
Gripset
Gripset BRW HD HDPE Reinforced Butyl Rubber Waterproofing
$424.89
Size: 1mm x 1m x 10m Roll
Product Description  
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
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Common Questions  

Frequently Asked Questions About Gripset BRW HD

  • Can Gripset BRW HD be left exposed? No, it must be covered and protected from UV exposure.
  • Does it require primers? Not on metallic, plastic, or glazed surfaces, but porous surfaces require priming.
  • Can it be applied in cold temperatures? Yes, it maintains adhesion even in cold conditions.
Uses & Benefits  

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
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How To Apply  
h3>How to apply Gripset BRW HD:
  1. Ensure the surface is clean, dry, and free from contaminants.
  2. For porous surfaces, apply an appropriate primer.
  3. Unroll the sheet and cut to required lengths.
  4. Remove a section of the release liner and position the membrane.
  5. Gradually remove the liner while pressing the membrane firmly onto the substrate.
  6. Use a hand roller to ensure full adhesion and remove air bubbles.
Limitations  

Gripset BRW HD limitations:

  • Not designed for UV exposure
  • Not suitable for trafficable surfaces
  • Not intended for use over expansion joints
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Suitable Substrates  

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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