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High-Pressure Water Jetting
Industrial-grade hydro jetting to clear blockages, clean pipelines, and restore full drainage flow across commercial, industrial, and residential properties in Singapore.
Overview
High-pressure water jetting is our core speciality at SPS Jetting. Using industrial-grade jetting equipment, we deliver powerful streams of water at controlled high pressures to clear stubborn blockages, remove grease and debris buildup, and restore pipelines to optimal flow capacity.
Our jetting services cover everything from routine maintenance clearing to emergency blockage removal. Whether it's a grease-choked kitchen line, a silted stormwater drain, or a blocked sewer main, our trained operators and specialised equipment handle the full range of jetting work.
All work is carried out by NEA-licensed technicians in compliance with PUB regulations, ensuring safe, professional, and effective results every time.
What We Do
Drain & Sewer Line Jetting
High-pressure clearing of blocked or slow-flowing sewer and drainage lines, removing roots, grease, silt, and solid obstructions.
Preventive Maintenance Jetting
Scheduled jetting programmes to keep pipelines clear, prevent buildup, and avoid costly emergency blockages for commercial and residential properties.
Grease & Fat Removal
Targeted high-pressure jetting to remove hardened grease and fat deposits from kitchen waste lines, common in F&B and food processing environments.
Stormwater Drain Cleaning
Jetting of stormwater drains, culverts, and surface water systems to maintain capacity and prevent flooding during heavy rainfall.
Who This Service Is For
Commercial
Offices, malls, F&B outlets, hotels, and commercial buildings across Singapore.
Industrial
Factories, warehouses, manufacturing plants, and industrial estates.
Residential
Condominiums, HDB estates, landed properties, and town councils.
Institutional
Schools, hospitals, government buildings, and public infrastructure.
High-Pressure Water Jetting — Frequently Asked Questions
Common questions about high-pressure water jetting in Singapore, answered by our plumbing and drainage specialists.
What is high-pressure water jetting?
High-pressure water jetting is a professional drain cleaning method that uses highly pressurised water to remove grease, sludge, scale, sediment, roots and other debris from the inside of drainage pipelines. Unlike conventional drain rods or chemical cleaners, high-pressure water jetting cleans the entire internal surface of the pipe rather than simply creating a small opening through the blockage.
This method is commonly used in residential, commercial and industrial properties across Singapore to restore proper water flow and maintain the condition of underground drainage systems. It is particularly effective for restaurants, shopping malls, factories, office buildings, condominiums and other facilities where drainage systems are heavily used.
Depending on the pipe size, material and condition, different nozzles and water pressures are selected to achieve the most effective cleaning while protecting the integrity of the pipeline. For recurring blockages or older drainage systems, a CCTV drain inspection may also be recommended to identify underlying structural defects before or after jetting.
How does high-pressure water jetting work?
High-pressure water jetting works by pumping water through specialised hoses and nozzles at very high pressure. As the nozzle travels through the drainage pipeline, powerful rear-facing water jets propel it forward while simultaneously cleaning the pipe walls by dislodging grease, sludge, mineral deposits, silt and other accumulated debris.
Different nozzle types are used depending on the nature of the blockage. Penetrating nozzles are designed to break through stubborn obstructions, while flushing nozzles thoroughly clean the pipe walls to restore optimal flow. For larger underground drainage systems, specialised equipment may also be used to remove heavy sediment or compacted waste.
Unlike temporary blockage removal methods, high-pressure water jetting provides a comprehensive clean throughout the pipeline, reducing the likelihood of recurring blockages. It is widely regarded as one of the most effective preventive maintenance solutions for commercial and industrial drainage systems.
When should high-pressure water jetting be used?
High-pressure water jetting should be considered whenever drainage systems experience recurring blockages, slow water discharge, foul odours or reduced flow capacity. It is particularly effective when grease, sludge, sediment, organic waste or accumulated debris has built up over time and cannot be fully removed by conventional drain cleaning methods.
Many commercial facilities in Singapore—including restaurants, shopping malls, factories, schools and office buildings— schedule routine high-pressure water jetting as part of their preventive maintenance programme to minimise disruptions and reduce the risk of emergency blockages.
Signs that your drainage system may require high-pressure water jetting include:
- Frequent drain blockages
- Slow-draining sinks or floor traps
- Overflowing inspection chambers
- Persistent foul smells from drains
- Grease accumulation in kitchen drainage systems
- Water backing up through floor traps or toilets
If the blockage is suspected to be caused by damaged pipes, root intrusion or structural defects, a CCTV drain inspection is often recommended to determine the most appropriate solution.
What types of blockages can high-pressure water jetting remove?
High-pressure water jetting is capable of removing a wide range of common drainage blockages, making it one of the most versatile drain cleaning methods available. The high-pressure water stream effectively breaks down and flushes away accumulated materials without relying on harsh chemicals.
Common blockages that can often be removed include:
- Grease, fats and cooking oils
- Food waste
- Sludge and organic deposits
- Soap scum
- Hair accumulation
- Sand and silt
- Mineral scale build-up
- Leaves and organic debris
- Light root intrusion
- General sediment deposits
The effectiveness of high-pressure water jetting depends on the severity of the blockage and the condition of the drainage pipeline. If the blockage is caused by collapsed pipes, significant root intrusion or structural damage, additional repairs or pipe rehabilitation may be required. A CCTV drain inspection can accurately identify these conditions before recommending the appropriate solution.
What is the difference between high-pressure water jetting and drain rodding?
Although both methods are used to clear blocked drains, they work very differently and are suitable for different situations.
Drain rodding uses mechanical rods or cutting attachments to break through a blockage and create a passage for water to flow. While effective for certain obstructions, it typically clears only the immediate blockage and does not fully clean the inside of the pipeline.
High-pressure water jetting, on the other hand, uses powerful water jets to clean the entire internal circumference of the pipe. In addition to removing the blockage itself, it flushes away grease, sludge, sediment and other deposits that have accumulated along the pipe walls. This comprehensive cleaning helps restore the pipe's original flow capacity and significantly reduces the likelihood of recurring blockages.
For heavily used commercial drainage systems—such as those serving restaurants, food courts, shopping malls and industrial facilities—high-pressure water jetting is generally the preferred long-term maintenance solution. In some situations, drain rodding and high-pressure water jetting may be used together to achieve the best results, depending on the nature of the blockage and site conditions.
How much does high-pressure water jetting cost in Singapore?
The cost of high-pressure water jetting in Singapore varies depending on several factors, including the severity of the blockage, the diameter and length of the pipeline, the accessibility of the drainage system, and whether the work is carried out in a residential, commercial or industrial property.
Simple drain cleaning jobs are generally less complex than large-scale underground drainage maintenance involving multiple inspection chambers or extensive pipeline networks. Additional services such as CCTV drain inspection, vacuum suction or waste disposal may also be recommended depending on the condition of the drainage system.
Rather than choosing a contractor based solely on price, it is important to consider the quality of equipment used, the experience of the technicians, and whether the contractor can accurately diagnose the root cause of recurring drainage issues. Investing in a thorough cleaning often reduces the risk of repeated blockages and costly emergency repairs in the future.
What factors affect the cost of high-pressure water jetting?
Several factors influence the overall cost of a high-pressure water jetting service.
These include:
- The severity and type of blockage.
- Pipe diameter and total pipeline length.
- Number of inspection chambers requiring access.
- Ease of access to the drainage system.
- Residential, commercial or industrial application.
- Working hours, such as after-hours or overnight services.
- Whether additional services such as CCTV inspection or vacuum suction are required.
- The condition of the drainage system, particularly if structural defects are suspected.
Every drainage system is different, which is why professional contractors typically recommend a site assessment before providing a quotation. This ensures the proposed solution addresses the underlying issue rather than simply treating the visible symptoms.
Is high-pressure water jetting worth the investment?
For many properties, high-pressure water jetting is a cost-effective investment because it not only removes existing blockages but also helps prevent future drainage problems.
Unlike temporary solutions that restore flow without cleaning the pipeline, high-pressure water jetting removes grease, sludge, mineral deposits and other build-up from the entire internal surface of the pipe. This reduces the likelihood of recurring blockages and improves the overall efficiency of the drainage system.
Preventive jetting is especially valuable for restaurants, food processing facilities, shopping malls, commercial buildings and industrial premises where blocked drains can disrupt operations and lead to costly downtime. Regular maintenance can also help extend the service life of drainage infrastructure by reducing long-term accumulation inside the pipes.
Ready to Get Started?
Contact SPS Jetting for a free consultation and quote on high-pressure water jetting services in Singapore.