Forspec Superflex Joint Tape 150mm x 50m waterproof reinforcing tape for sealing joints, corners, cracks and movement areas in waterproofing membrane systems for internal and external applications.
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SUPERFLEX Joint Tape 150mm x 50m

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FORSPEC SUPERFLEX JOINT TAPE is a premium flexible waterproofing tape designed for sealing dynamic joints, precast panel connections, and critical transitions. Featuring over 370% elongation, dual felt-laminated surfaces, and >1.5 bar water pressure resistance, FORSPEC SUPERFLEX JOINT TAPE ensures long-term performance under thermal and structural movement. Ideal for wet areas, balconies, rooftops, and retaining walls, this tape integrates seamlessly with cementitious, polyurethane, and acrylic membranes. Available in widths from 100–700 mm, it meets AS4654.2 standards and is UV stable, VOC-free, and easy to embed.

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Pickup available at The Waterproofing Shop

Usually ready in 24 hours

Forspec Superflex Joint Tape 150mm x 50m waterproof reinforcing tape for sealing joints, corners, cracks and movement areas in waterproofing membrane systems for internal and external applications.

SUPERFLEX Joint Tape 150mm x 50m

The Waterproofing Shop

Pickup available, usually ready in 24 hours

22/872 Canterbury Road
Roselands NSW 2196
Australia

+61280213517
SUPERFLEX Joint Tape 150mm x 50m
$165.00
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Engineered to perform in the most demanding environments.

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Potable water safe. Ideal for concrete water tanks and reservoirs.

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System Build-Up Guide

Correct application makes all the difference.

View All Details

Pool System Build-Up

  • 1 Concrete Substrate
  • 2 Crack Repair (if required)
  • 3 ACTFLEX FLEXPLUS
  • 4 ACTFLEX HYDROPLUG
  • 5 ACTFLEX AT MESH
  • 6 ACTFLEX 988 CWP (2 Coats)
  • 7 Tile Adhesive
  • 8 Pool Finish
Pool System Build-Up

Retaining Wall System Build-Up

  • 1 Concrete Substrate
  • 2 Crack Repair (if required)
  • 3 ACTFLEX MS PRO
  • 4 ACTFLEX AT MESH
  • 5 ACTFLEX 988 CWP (2 Coats)
  • 6 Protection Board (Optional)
  • 7 Drainage System
  • 8 Backfill
Retaining Wall System Build-Up

Tank System Build-Up

  • 1 Concrete Substrate
  • 2 Crack Repair (if required)
  • 3 ACTFLEX FLEXPLUS
  • 4 ACTFLEX AT MESH
  • 5 ACTFLEX 988 WMP (2 Coats)
  • 6 Protective Coating (Optional)
  • 7 Water
Tank System Build-Up

Real Projects. Real Results.

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  • Pool Renovation Pool Renovation Before After

    Pool Renovation

    Gold Coast, QLD

  • Below Ground Retaining Wall Below Ground Retaining Wall Before After

    Below Ground Retaining Wall

    Sydney, NSW

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  • Commercial Podium Commercial Podium Before After

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  • Before After

    Swimming Pool Construction

    Brisbane, QLD

How to install

Watch the install

Step-by-step from prep to top coat. Filmed on the tools, not in a studio.

Watch the install poster

Why Choose

The Waterproofing Shop?

We supply premium waterproofing products backed by expert advice, fast service and real-world experience.

100% Australian Owned & Operated 100% Australian
Owned & Operated
30+ Years in the Waterproofing Industry 30+ Years in the
Waterproofing Industry
Thousands of Products in Stock Thousands of Products
in Stock
Fast Shipping Australia Wide Fast Shipping
Australia Wide
Expert Technical Support Expert Technical
Support

Frequently asked questions

View all FAQs
  • What is SUPERFLEX Joint Tape used for?
    Compatibility

    SUPERFLEX Joint Tape is a wider, longer joint reinforcement tape for dynamic joints, precast panel connections, and critical transitions in wet areas, balconies, rooftops, and retaining walls. The 50m roll length suits commercial-scale projects.

  • Specifications?
    Performance

    150mm width by 50m roll length (other widths 100-700mm available). Approximately 0.7mm thick. Blue TPE core with white fleece flanks. 370%+ elongation. Water pressure resistance greater than 1.5 bar.

  • How is it embedded?
    Installation

    Embed in the wet first coat of liquid membrane (cementitious, polyurethane, or acrylic) along the joint. The TPE core spans movement; the fleece flanks bond to the membrane. Easy embed - no float or delamination.

  • Which membranes work with it?
    Compatibility

    Compatible with Forspec cementitious (988, 989 CWP), polyurethane (929 HV/SL, 925, 906 WPU), and acrylic membrane systems. The 150mm width handles most slab edge and movement joint applications.

  • Standards compliance?
    Compliance

    Complies with AS4654.2 for external waterproofing reinforcement. Use for AS-compliant balcony, podium, and external deck waterproofing detailing.

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