Remedial Waterproofing

WS Remedial Group delivers industry-leading remedial waterproofing services for commercial, industrial, civil and strata properties throughout Queensland and New South Wales. Our licensed waterproofers resolve complex water ingress issues and safeguard assets in Brisbane, the Gold Coast, Sunshine Coast, Sydney, Parramatta, Penrith, Wollongong, Newcastle and the Northern Beaches. 

Remedial waterproofing is the process of diagnosing and correcting failures in existing waterproofing systems. Our team identifies the source of leaks, assesses underlying damage and designs targeted repairs using advanced techniques and materials. This specialist approach extends the life of structures, prevents costly deterioration and provides reliable long-term protection.

Our Techniques and Materials

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Targeted Leak Detection 
Advanced diagnostic tools locate the source of water ingress; balconies, basements, rooftops, podiums, car parks, facades and wet areas. 
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High-Performance Membranes 
Application and replacement of liquid-applied, sheet and torch-on membranes for superior durability and flexibility. 
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Surface Preparation and Fall Rectification 
Meticulous surface cleaning, substrate repair and fall correction ensure optimal membrane performance and drainage. 
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Detailing and Sealing 
Waterproofing of joints, penetrations, upturns, planter boxes, retaining walls and movement zones using specialised sealants and detailing methods. 
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Remedial Coatings and Barriers 
Use of protective coatings, negative-side waterproofing and crack injection to protect vulnerable concrete and masonry surfaces. 
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Moisture Management Systems
Installation of drainage cells, cavity systems and vapour barriers to control moisture buildup and enhance long-term waterproofing performance.

Project Experience and Case Studies

Our remedial waterproofing expertise spans high-rise apartments, office towers, shopping centres, hospitals, tunnels, podiums, basements, car parks and civil infrastructure.

Benefits of Choosing WS Remedial Group

  • Reliable, lasting repairs that stop leaks at the source 
  • Improved asset value, compliance, and peace of mind for owners and managers 
  • QBCC Licensed Waterproofers and certified teams with extensive site experience 
  • Detailed reporting and transparent project management 
  • Minimal disruption to residents, tenants, and operations 
        Worker in high-visibility gear applying waterproofing membrane or coating to a concrete surface using a roller.

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