Specialised waterproofing and structural sealing.
WATERPROOFING APPLICATION
We apply high-performance systems to deliver seamless, flexible waterproofing barriers for complex assets.
- Seamless elastomeric liquid membrane application
- Rapid-cure spray and roller-applied systems
- UV and chemical resistant barrier coatings
- Substrate preparation and primer application
Waterproofing & Sealing
Water ingress causes concrete decay and steel corrosion. We install liquid-applied membranes, sheet membranes, and chemical injection resins to seal bridge decks, tunnels, basements, and marine assets against water penetration.
- Liquid-applied and sheet membrane installation
- Chemical injection resin sealing
- Expansion joint remediation and repair
- Waterproofing for bridge decks and tunnels
Expansion Joint Sealing
Structural movement joints are primary pathways for water ingress. We install durable, movement-accommodating sealants, heavy-duty joint profiles, and elastomeric banding systems for high-traffic civil and commercial infrastructure.
- Heavy-duty expansion joint profile installation
- High-movement elastomeric band sealing
- Sub-grade and bridge deck joint remediation
- Hydrophobic sealant injection and replacement
RESIN INJECTION
To stop active water leaks through structural concrete cracks and voids, we inject polyurethane, acrylic, and micro-fine cementitious grouts under pressure to restore structural integrity and complete watertightness.
- Polyurethane resin injection
- Micro-fine cementitious crack grouting
- Curtain injection for sub-structure sealing
- Active leak stopping in tunnels and basements
Our Working
Process.
We inspect, plan, and carry out waterproofing and structural repairs step by step. Every project follows strict safety and engineering standards to protect your structures.
Site Assessment
We inspect the site to locate structural damage, water ingress, and wear before planning the scope of work.
Engineering Plan
Our engineers prepare technical specifications and select materials to ensure all repairs and coatings last.
Execution Phase
Trained crews carry out repairs using surface preparation, membrane application, and structural reinforcement under strict quality controls.
Asset Validation
We conduct final inspections and water testing to confirm all repairs are complete and ready for service.
Frequently Asked
Questions.
Clear answers to common questions about our services, safety standards, and project process.
Contact our team
Send us your project details or enquiry. We offer expert advice and detailed quotes for waterproofing and asset maintenance.
Protecting and maintaining Australian infrastructure since 1994.
© 2026 DALECOAST PTY LTD. All rights reserved.