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Sydney's Specialist Basement Waterproofing Experts
Established to address Sydney's most challenging waterproofing needs, we specialise in basement waterproofing, crack injection, and rising damp solutions. Our approach combines rigorous product testing, adherence to Australian Standards (AS3740, AS4858, AS4654), and tailored systems for predictable outcomes. With over 112,000 litres of crack injection material applied across 460+ basements, our team prioritises surface preparation, contaminant management, and high-quality membrane application.We service Eastern Suburbs, Lower North Shore, Northern Beaches, and other Sydney areas, offering expert diagnosis for active leaks, salt-affected substrates, and Dincel membrane failures. Our philosophy focuses on permanent solutions through epoxy/polyurethane injection, specialist training, and compliance with Building Code of Australia requirements.
Services
Basement Waterproofing
Crack Injection
Dincel Waterproofing
Rising Damp Solutions
Retaining Wall Waterproofing
Highlights and features
- We use time-tested products meeting Australian Standards AS3740/AS4858
- Specialist staff trained in challenging substrate waterproofing techniques
- Proven systems for salt-contaminated and active leak scenarios
- 112,000+ litres of crack injection experience across Sydney basements
- Comprehensive diagnosis before recommending waterproofing solutions
Associations and certifications
- AS3740
- AS4858
- AS4654
- Building Code of Australia
Services
Basement Waterproofing
Specialist basement waterproofing addressing Sydney's unique challenges including salt contamination and aged substrates. Our systems combine surface preparation, membrane application, and structural considerations to create dry, habitable spaces. Solutions comply with AS3740 standards while accommodating active water pressures in below-ground environments.
Crack Injection
High-pressure polyurethane and epoxy injection for concrete crack sealing. Our methodology addresses both immediate water ingress and long-term structural integrity. Using 1000-3000psi application techniques, we fill micro-fractures completely while considering substrate conditions and environmental factors affecting bond permanence.
Dincel Waterproofing
Targeted solutions for Dincel polymer formwork waterproofing failures. Our approach addresses inherent design vulnerabilities through complementary membrane systems and injection techniques. Services include diagnosis of existing Dincel performance and implementation of remedial waterproofing measures meeting Australian Standards compliance requirements.
Rising Damp Solutions
Comprehensive rising damp management combining substrate analysis, moisture barrier installation, and environmental controls. Our solutions address both immediate symptoms and underlying causes in masonry structures, incorporating physical damp-proof courses and chemical injection systems tailored to Sydney's geology.
Retaining Wall Waterproofing
Specialist waterproofing for subterranean retaining walls considering hydrostatic pressure and soil composition factors. Our systems incorporate salt-resistant membranes and drainage solutions to prevent membrane degradation. Services include both new construction waterproofing and remedial treatment for existing structures experiencing water ingress.
Questions
How does crack injection waterproofing work?
We inject polyurethane or epoxy resins under high pressure (1000-3000psi) into concrete cracks. The material expands up to 40x volume, filling fractures completely to create permanent watertight seals in structural elements.
Can you waterproof existing basements?
Yes, we specialise in remedial basement waterproofing for both new and aged structures. Our solutions address common issues like salt contamination, substrate contaminants, and failed previous waterproofing attempts across Sydney's varied geology.
Do you service areas outside Sydney?
Currently serving Sydney metro areas including Eastern Suburbs, North Shore, and Northern Beaches. Expansion to Gold Coast and Brisbane is planned for 2024 according to our service area roadmap.
What Australian Standards do you follow?
We strictly adhere to AS3740 (waterproofing standards), AS4858 (membrane specifications), and AS4654 (above-ground waterproofing) to ensure compliance with Building Code of Australia requirements for all our waterproofing systems.
How are costs determined for waterproofing jobs?
Pricing considers basement size, substrate condition, contaminant presence (oils/salts), and required membrane systems. Contact us for an initial assessment to determine scope and provide accurate costing estimates.
Can you fix leaking Dincel walls?
Yes, we provide specialist Dincel waterproofing solutions. While Dincel formwork claims inherent waterproofing, our experience shows common leakage issues requiring remedial membrane systems and injection techniques to achieve permanent watertightness.
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