All Things Waterproofing Handbook – AS3740 & AS4654 Guide for Internal & External Waterproofing

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The All Things Waterproofing Handbook is a 91-page technical reference guide based on practical industry interpretation of AS3740 and AS4654.

It covers internal and external waterproofing systems, including primers, bond breakers, WFT and DFT requirements, drying and curing times, and surface preparation aligned with ISO13007.

The handbook includes step-by-step detailing for balconies, planter boxes, retaining walls, pools, and pedestal systems, along with general system specifications.

This document is designed as a reference tool for applicators, builders, and specifiers to assist with understanding waterproofing standards and typical installation practices.

This handbook is a general interpretation only and must not be relied upon as compliance or professional advice. All work must be verified against current Australian Standards, NCC requirements, and approved by relevant consultants.

The All Things Waterproofing Handbook is a 91-page technical reference guide based on practical industry interpretation of AS3740 and AS4654.

For full details, please select “More Information ” to review the complete disclaimer before purchasing.


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FORSPEC Waterproofing Handbook featuring the industry's new waterproofing handbook with technical guidance, product information, and best practice installation resources for waterproofing professionals.

All Things Waterproofing Handbook – AS3740 & AS4654 Guide for Internal & External Waterproofing

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Waterproofing Systems Built for Australian Conditions

Engineered to perform in the most demanding environments.

Pool Waterproofing System

Designed for permanent water immersion. Chlorine, salt & UV stable.

ACTFLEX 989 CWP High-Performance, Cementitious Membrane ACTFLEX 989 CWP ACTFLEX 906 WPU Waterbase Polyurethane ACTFLEX 906 ACTFLEX FLEXTAPE 120mm x 20m ACTFLEX FLEXTAPE
1

Retaining Wall System

High performance negative pressure waterproofing for below ground structures.

ACTFLEX 989 CWP High-Performance, Cementitious Membrane ACTFLEX 989 CWP ACTFLEX SuperBond 007 PVC universal primer 1 litre ACTFLEX SUPERBOND ACTFLEX MESHTAPE 120mm x 20m ACTFLEX MESHTAPE
1

Tank Waterproofing System

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

ACTFLEX 989 CWP High-Performance, Cementitious Membrane ACTFLEX 989 ACTFLEX 906 WPU Waterbase Polyurethane ACTFLEX 906 ACTFLEX FLEXTAPE 120mm x 20m ACTFLEX FLEXTAPE
1

System Build-Up Guide

Correct application makes all the difference.

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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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How to install

Watch the install

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

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Frequently asked questions

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  • Who is the All Things Waterproofing Handbook for?
    Compatibility

    The All Things Waterproofing Handbook is written for waterproofing applicators, builders, plumbers, tilers, and DIYers who want a clear practical guide to Australian wet-area and external waterproofing standards. Covers both AS3740:2021 (internal wet areas) and AS4654 (external waterproofing).

  • What's covered in the book?
    Performance

    The handbook covers: AS3740 and AS4654 compliance requirements, substrate prep, primer selection, membrane application techniques, detailing at corners and penetrations, common failure modes, troubleshooting, and the full Forspec ACTFLEX system specifications.

  • Is it a step-by-step how-to guide?
    Installation

    Yes - the book includes step-by-step procedures for typical applications (bathroom, balcony, planter, basement, garage floor) plus reference material for the underlying standards and product selection logic.

  • Will the techniques work with non-Forspec products?
    Compatibility

    The general waterproofing principles, standards interpretation, and detailing techniques apply to any compliant system. Specific product call-outs reference the ACTFLEX/Forspec range but equivalents can be substituted where you understand the spec.

  • Is the book a substitute for formal training?
    Compliance

    No. The handbook is a reference and skills-builder, not a formal qualification. For licensed waterproofing work in Australia, you need state-specific licensing (check your state's licensing body). The book complements but doesn't replace that training.

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