When you are faced with clogged drains or need to clean your sewer, it is important to know the difference between high-pressure and regular flushing. High-pressure flushing uses water pressure of 100-500 bar to remove stubborn blockages and deposits, while regular flushing operates at 3-10 bar and is suitable for simpler cleaning tasks. The choice between methods depends on the severity of the problem, and understanding when each method is best suited will help you make the right decisions for your sewer system.
What is high-pressure washing and how does it work?
High pressure washing is a professional cleaning method that uses extremely high water pressure, usually between 100 and 500 bar, to remove stubborn blockages and deposits in pipes and sewer systems. The method is effective against grease deposits, roots, limescale and other residues that have built up over time.
The equipment used in high-pressure cleaning consists of a powerful pump that forces water through a specialized hose with nozzles. The nozzles are designed to spray the water in different directions, which both loosens deposits and pushes the hose forward in the pipe. The water hits the pipe wall with such great force that it breaks down and removes even old, baked-on deposits.
Professional plumbers adapt the technique based on the type of pipe and the nature of the problem. Older pipes use lower pressures to avoid damage, while newer, more robust systems can handle higher pressures. Some situations require rotating nozzles that provide a scrubbing effect, while others need directional nozzles to break up specific clogs.
What is regular flushing and when is it used?
Regular flushing, also known as low-pressure flushing, uses the normal water pressure from the municipal network, which is typically between 3 and 10 bar. This is significantly lower than high-pressure flushing, but still sufficient for many preventive maintenance tasks and minor cleaning needs.
This method is well suited when you want to keep your drain clean without serious blockages. Regular flushing can remove loose debris, soap scum and minor grease deposits that have not adhered properly to the pipe wall. It is a gentle method that can be used regularly without the risk of damaging the pipes.
You should consider regular flushing as part of your routine maintenance, especially in kitchen drains where grease and food residue can accumulate. Flushing the system regularly can help prevent major problems. It is also useful after minor blockages that have already been cleared to flush out any remaining debris.
What are the main differences between high-pressure washing and regular washing?
The pressure difference is the most obvious difference between the methods. High-pressure cleaning operates at 100-500 bar, while regular cleaning uses 3-10 bar. This makes high-pressure cleaning up to 50 times more powerful, which directly affects what problems the methods can solve.
In terms of effectiveness, high-pressure flushing can remove deposits that have built up over many years. The method breaks through layers of grease, limescale and can even cut through roots that have penetrated the sewer system. Regular flushing only handles loose particles and smaller deposits that have not adhered properly.
In terms of cost, regular flushing is more affordable because it requires less specialized equipment and can be done more quickly. High-pressure flushing requires professional equipment and experienced professionals, which is reflected in the price. However, high-pressure flushing can be more cost-effective in the long run by solving problems thoroughly the first time.
The areas of application also differ clearly. You can use regular flushing for preventive maintenance, minor blockages and general cleaning. High-pressure flushing is necessary for stubborn blockages, old deposits, roots in the sewer and when regular flushing does not work. For main lines and larger sewer systems, high-pressure flushing is often the only effective solution.
When should you choose high-pressure washing over regular washing?
High-pressure flushing becomes necessary when you experience recurring blockages that cannot be resolved with conventional methods. If the water flows slowly or stops completely several times, it indicates that deposits have built up in the pipes and need more intensive treatment.
Signs that indicate the need for professional pressure washing include:
- Water flowing slowly in several drains at the same time
- Unpleasant odor from the drain that won't go away
- Gurgling sounds from drains when using water
- Water coming up into other drains when you flush
- Visible signs of sewer backflow
Kitchen grease deposits are a common problem that requires high-pressure flushing. Over time, grease builds up on the pipe wall, creating a thick layer that narrows the pipe. Regular flushing cannot effectively remove these deposits, while high-pressure breaks them down and flushes them away.
Roots that have penetrated the sewer system are another problem that absolutely requires high-pressure flushing. Roots seek moisture and can grow in through small cracks in pipe joints. Once inside, they grow larger and can block the entire pipe. High-pressure flushing with specially designed nozzles can cut through the roots and restore normal flow.
How does 24 Center help with high-pressure washing?
We quickly connect you with professional plumbers and HVAC professionals who have the equipment and experience to perform high-pressure cleaning. Our nationwide network of installation partners ensures that you get help no matter where you are in Norway.
When you contact us, our customer service team will assess your situation and provide immediate advice. Many times we can help you with tips that solve minor problems at home. If you need professional high-pressure cleaning, we will ensure that the right professional comes to you.
Our high-pressure cleaning and sewer cleaning services include:
- 24/7 service serving all of Norway
- Fast response time with a technician on site within one hour for urgent assignments
- Professional equipment for pressure washing all types of pipes and sewer systems
- Experienced professionals who adapt the method to your specific problem
- Free customer service that provides advice and guidance immediately
- Planned maintenance tasks for preventive cleaning of drains
For urgent blockages that threaten to cause water damage, we prioritize the issue and dispatch professionals quickly. For scheduled maintenance assignments, we can often complete the job the same day or the next business day, depending on your schedule.
Call 401 24 700 for emergencies or visit the 24 Center for scheduled visits. The call is free, and we will help you find the right solution to your sewage problem.
Vanlige spørsmål
Can I do pressure washing myself, or do I always have to use a professional?
Pressure washing of sewers and drains should always be done by professionals. Although you can rent pressure washers for outdoor use, flushing drain systems requires specialized equipment, the right nozzles, and experience to avoid damaging the pipes. Improper use can lead to serious damage to older pipes or improper pressure that worsens the problem instead of solving it.
How often should I perform preventative flushing of my drain?
For regular flushing, it is recommended to flush the drains every 3-6 months as a preventative maintenance measure, especially in kitchen drains. Professional high-pressure flushing as a preventative measure should be considered every 2-5 years depending on the age of the system, usage and past problems. Older buildings or households with a lot of greasy waste may benefit from more frequent maintenance.
Can high-pressure washing damage my pipes, especially in older homes?
When performed by experienced professionals, high-pressure flushing is safe even for older pipes. Professional plumbers inspect the condition of the pipes first and then adjust the pressure – using lower pressures (100-200 bar) on older or fragile pipes and higher pressures only on robust, newer systems. This is why it is important to use qualified professionals who can properly assess the situation.
How much does high-pressure washing cost compared to regular washing?
Regular flushing can cost from 500-1500 kr depending on the scope, while professional high-pressure flushing typically costs between 3000-8000 kr or more for extensive jobs. The price varies based on the severity of the problem, pipe length, availability and whether it is an emergency service. Although high-pressure flushing is more expensive, it often solves the problem thoroughly and can save you from repeated calls.
How long does a typical high-pressure cleaning take?
A standard pressure washing of drains in a single-family home usually takes 1-3 hours, depending on the extent of the problem and the length of the pipe system. Simple blockages can be resolved in under an hour, while extensive cleaning of the entire sewer system or removal of roots may take longer. The professional will be able to give you a better estimate after an initial assessment.
What happens if pressure washing doesn't solve my blockage?
In rare cases where high-pressure flushing does not resolve the problem, it may indicate more serious structural issues such as collapsed pipes, severe pipe breaks, or improper pipe layout. In such situations, the professional will typically use camera inspection to accurately identify the problem, and then recommend necessary repairs or pipe section replacement.
Can I prevent clogs without professional help?
Yes, there are several preventative measures you can take yourself: Avoid flushing grease, coffee grounds, and food scraps down the drain, use strainers in all drains, flush with hot water regularly, and consider using biological drain cleaners monthly. These simple measures significantly reduce the risk of blockages, but do not replace the need for periodic professional maintenance.