2202/157-167 Liverpool St,
Sydney NSW 2000
Sydney NSW 2000
IICRC Certified Contamination Technicians
Fully Insured & Public Liability Covered
Professional Containment & Disinfection
Serving Sydney & Surrounding Areas
A sewage backup is classified as a Category 3 (Cat 3) Black Water event under the IICRC S500 standard, representing grossly contaminated water with significant health risks. Our role is not just to remove the water, but to execute a methodical decontamination protocol that addresses the specific pathogens and hazards present. We operate 24/7 across the Greater Sydney area, providing immediate mobilisation for everything from a simple toilet overflow to a complete sewer main failure.
Our team is equipped to manage the distinct challenges of Sydney’s infrastructure, including events triggered by East Coast Lows causing stormwater system overloads and back-surges into homes, particularly in low-lying suburbs.
Not all sewage events are the same. A toilet backflow in a modern Parramatta high-rise presents different challenges than a systemic blockage in a Federation-era home in the Inner West. Decades of work in Sydney have shown us where the most common failure points are.
Vague promises of “advanced techniques” are meaningless. Our work is governed by the ANSI/IICRC S522 Standard for Professional Trauma and Crime Scene Cleanup, which includes sewage remediation. This is a non-negotiable, multi-step process.

Initial Hazard Assessment & Containment
Upon arrival, our first step is to ensure safety. We test for electrical hazards and establish containment barriers with negative air pressure to prevent airborne pathogens from spreading to unaffected areas of your property. All technicians enter the contaminated zone in full Personal Protective Equipment (PPE), including P100 respirators and non-porous suits.

Waste & Contaminated Material Removal
Standing sewage and solid waste are extracted using specialised pumps and wet-vacuums. Following IICRC protocols, all porous materials that have absorbed Cat 3 water, such as carpet, underlay, plasterboard (Gyprock), and insulation, must be removed and disposed of as biohazardous waste.

Structural Cleaning & Disinfection
All remaining non-porous and semi-porous surfaces are mechanically cleaned to remove biofilm and residue. We then apply hospital-grade, EPA-registered antimicrobial disinfectants to neutralise pathogens like E. coli and Salmonella.

Structural Drying & Dehumidification
We deploy commercial-grade low-grain refrigerant dehumidifiers and high-velocity air movers to aggressively dry the structure. Moisture levels in timber, concrete, and wall cavities are monitored daily with non-invasive meters until they reach the IICRC-defined dry standard.

Odour Control & Verification
Lingering odours are not just unpleasant; they can indicate incomplete decontamination. We use hydroxyl generators or thermal fogging to eliminate odour-causing molecules. We can then arrange for post-remediation verification testing by a third-party hygienist if required for insurance purposes.
Our certification covers all forms of contaminated water intrusions.
Grey water originates from sources like washing machine overflows, dishwasher leaks, or shower basin failures. While less hazardous than sewage, it contains a significant bacterial load and can cause illness. If left unaddressed for more than 24-48 hours, particularly in Sydney’s humid climate, it will degrade to Category 3 as bacteria multiply. Our process involves rapid extraction, mandatory removal of affected carpet underlay, and application of antimicrobial agents before we begin the structural drying process.
This is our core area of expertise. Any water that originates from a sewer line, a toilet containing feces, or overland flooding is automatically treated as Category 3 black water. Our remediation process is absolute and follows the IICRC S500 and S522 standards without compromise. We focus on physical removal and verified disinfection to ensure your property is returned to a condition that is safe, sanitary, and structurally sound.
Our lead technicians hold current certifications from the Institute of Inspection, Cleaning and Restoration Certification (IICRC), the primary credentialing body for our industry globally. These certifications, including Water Damage Restoration Technician (WRT) and Applied Microbial Remediation Technician (AMRT), represent our commitment to the highest standards of safety and technical competence.
We are fully insured with comprehensive public liability coverage for all work performed on your Sydney property. Our documentation and work practices are aligned with the requirements of Australian insurance providers and comply with NSW Fair Trading and SafeWork NSW regulations.
Our mobile technician teams are strategically positioned to provide rapid response throughout Sydney’s diverse regions. We have deep experience with the unique building stock and environmental challenges in areas including:
Your first priority is safety. Evacuate the affected area, turn off the power to that part of the house if it’s safe to do so, and call a certified professional. Avoid all contact with the water and do not try to flush toilets, as this can worsen the backup.
Standard policies often exclude it. However, many insurers offer a specific add-on or endorsement for “water damage from sewer backup or drain overflow.” We provide detailed reports and photographic evidence compliant with insurance company requirements.
A small, contained backup might take a day for cleanup and 2-3 days for drying. A major event involving an entire floor or basement could take a week or more, involving significant removal of building materials.
For Category 3 Black Water, IICRC standards are unequivocal: porous materials like carpet, underlay, and unsealed timber must be removed and discarded due to the high risk of pathogen absorption. We can assess sealed hardwood or tiles for potential salvage after thorough disinfection.
A sewage intrusion requires an immediate, professional response to protect the health of your family or employees and the integrity of your property.
Contact us for an urgent assessment.