We from Ontstoppen.nl We cleverly tackle any type of blockage, from stubborn grease buildup to blocked plumbing. Thanks to our experience, we know exactly which solution works best for your situation and also offer advice on prevention.
Want to be sure our approach is the right one? Feel free to read about our experiences with clogged drain solutions in the Google reviews about Ontstoppen.nl.
What are the best drain clogged solutions?
A clogged drain can occur in any household, whether it's in the kitchen, bathroom, or toilet. When water no longer drains properly, it quickly becomes a nuisance, and you want a proper solution immediately. Ontstoppen.nl offers effective drain blockage solutions thanks to our smart approach, high-quality equipment, and experienced professionals. We combine traditional methods with innovative techniques, ensuring every blockage is quickly resolved.
How does unclogging a drain work in case of a blockage?
The process always begins with a thorough analysis to determine the cause of the blockage. Depending on the type of drain and the nature of the blockage, we employ various drain blockage solutions. We utilize techniques described by recognized sources such as Wikipedia and the Rijkswaterstaat knowledge bases, such as professional flushing, mechanical milling, or the use of a high-pressure unit.
- Mechanical unblockingIn case of serious blockages, the blockage is removed immediately using drain cleaning springs or machines.
- High pressure flushingWe use professional high-pressure units to clean the drain pipe, removing grease and deposits.
- Camera inspectionThanks to modern inspection cameras, we can visualize the pipe network and accurately locate the blockage.
- Preventive maintenance: Regular flushing prevents stubborn dirt from clogging the drain and increases the lifespan of the pipes.

The different types of clogged drains and how to deal with them
Every blockage requires a unique approach. A clogged sink often requires a different approach than, for example, a blocked shower drain or washing machine drain. Below, we list the most common situations and solutions:
- Kitchen drain clogged: Accumulation of grease and food residue often leads to blockages. We develop powerful cleaning agents and use drain unblocking machines specifically for this purpose.
- Shower or bath drain cloggedSoap residue, hair, and dirt quickly accumulate in siphons. Mechanical cleaning and flushing is the most effective solution.
- Toilet drain clogged: A combination of vacuum suction and machine cleaning removes blockages quickly and thoroughly.
- Outside sewer cloggedRainwater drains and outdoor sewers often become clogged by leaves or sand. We use powerful pumps and water pressure to address this.
Scientific techniques for clogged drain solutions
We follow the latest insights in sewer technology. For example, for persistent blockages, we use methods that comply with the national protocol for sewer maintenance. Electromechanical spring machines and flexible coil springs physically loosen blockages, while bacterial cleaners biologically reduce grease deposits. Sewer inspections with endoscopic cameras, as recognized within the fields of civil engineering and urban water management, ensure a sustainable approach.
- Endoscopic inspection: Direct insight into the condition of the pipeline system without any cutting or demolition work.
- Hydrodynamic cleaning: Water pressure cleans quickly and environmentally friendly thanks to recognized technology.
- Biological drain unblockers: Environmentally safe, uses bacteria to naturally break down dirt.
The professional unblocking process of Ontstoppen.nl
From the first contact to a completely clean drain, we follow a proven, customer-focused step-by-step plan. Thanks to our nationwide coverage, fixed rates, and clear communication, you always know where you stand.
- Contact and analysisWe'll schedule an appointment immediately by phone, WhatsApp, or email. Our specialist will analyze the problem and provide honest advice on the best approach.
- Professional unblockingUsing certified unblocking equipment, we carry out the chosen method, from milling to high-pressure cleaning.
- Camera inspectionIn case of recurring blockages, we check the entire drainage system with a camera inspection or smoke tests.
- Aftercare and warrantyYou will receive an 8-week warranty, an explanation of preventive maintenance, and a clear invoice with a fixed rate and no surprises.
How we work
How we work
Report a blockage (without obligation)
Tell us where the blockage is (drain, plumbing, toilet, or sewer). We'll immediately analyze the situation by phone, WhatsApp, or form.
Free quote
You'll receive a clear, all-inclusive price for unblocking—including call-out fees, labor, and a no-win, no-fee policy. No surprises.
National coverage
Our certified sewer specialist often arrives the same day. We unclog drains without any demolition work, using professional equipment.
Unblocking & warranty
We'll fix the blockage, inspect all pipework, and offer an 8-week warranty. Safe, durable, and professional.

Ask directly a competitive quote for a fast disposal solution within 24 hours.
Common causes of a clogged drain
Prevention is always better than cure, but sometimes a blockage is unavoidable. Understanding the root causes is essential for lasting solutions. We often identify these causes during our work:
- Grease and soap residueThis can lead to stubborn blockages, especially in kitchen drains and shower drains. Regularly rinsing with hot water provides a preventative solution.
- Accumulation of hair and dirt: Especially in the bathroom drain and sink drain, this quickly forms clumps that block drain pipes.
- Foreign objects: Think of food scraps, wipes, or improperly discarded waste in the toilet. Chemical drain cleaners are often ineffective; mechanical cleaning is then necessary.
- Outdated pipes or subsidenceIn older homes, cracks, rust or root growth are common causes of sewer blockages.
Technology and products at Ontstoppen.nl
We work exclusively with certified equipment, including KROLL and RIDGID drain cleaning machines, powerful vacuum units, and modern inspection cameras. By combining these tools with training provided by companies such as Techniek Nederland, we deliver quality work every day. unclog drain without damage we are the specialist.
Our service in cities like Amsterdam is available 24/7 and always transparent about pricing. Thanks to nationwide coverage, fixed rates, and fast service, you're guaranteed a solution within 24 hours.
In case of emergency, please send a WhatsApp or text message to 085 2505 217 or email info@ontstoppen.nl and our specialists will take immediate action to professionally unclog any drain.
Frequently asked questions
What are the most effective solutions for a clogged drain?
You can first tackle a clogged drain with simple household remedies. For example, flushing it with hot water, using a plunger, or applying a mixture of baking soda and vinegar. If the blockage remains stubborn, or you notice that the water is still draining slowly, it's wise to switch to mechanical methods, such as using a snake or a pressure washer.
When these remedies do not have the desired effect, professional help is often indispensable. Ontstoppen.nl works with professional unblocking equipment suitable for any type of drain. Thanks to our all-inclusive price and no-win-no-fee policy, you're guaranteed a fast, expert solution with no surprises. Are you considering a serious or recurring blockage? Then read more about how to Have your drain blockage resolved professionally at Ontstoppen.nl.
How can I easily unclog my drain myself before calling in a specialist?
Unclogging your drain yourself always starts with removing visible debris from the drain and then using a plunger. A classic method is baking soda and hot water: pour a generous scoop of baking soda down the drain, then slowly add boiling water and let it foam. For grease buildup, a little dish soap and hot water often works surprisingly well. If you're dealing with hair or soap scum, you can try removing the screen and using a hook to pry out the debris.
Please note that chemical drain cleaners often damage pipes and the environment. If the problem persists or you want to avoid the risk of damage, then call in an expert, for example, if you are experiencing a shower drain blockage that was professionally resolved This way, you can be sure that the blockage and pipes are properly addressed in one go.
What most often causes a clogged drain?
The most common culprits for clogged drains are buildup of grease, hair, soap scum, and food. In the kitchen, blockages are often caused by oil, grease, and food that gets stuck in the pipes. In the bathroom, think of hair, toothpaste, and soap accumulating in the shower drain or sink. Limescale and sanitary products like wet wipes or sanitary towels can also cause serious blockages.
Regular maintenance can prevent many problems. Flush the drain with hot water regularly and don't throw solids or oil down the drain. Are you currently experiencing an acute blockage? Then it's best to call in a professional through a unclogging drain including call-out charges service, so that the problem is tackled thoroughly and recidivism is prevented.
When is it time to call in a professional drain cleaning company for a drainage problem?
You can try a lot yourself, but if the water still won't drain after several attempts, the drain smells, or you hear annoying bubbling from multiple pipes in your house, it's advisable to call a professional drain cleaning service immediately. Especially with combined blockages (such as in both the kitchen and bathroom) or an overflowing drain, quick action is essential to prevent water damage and larger sewer problems.
We are at Ontstoppen.nl Available 24/7, offering an eight-week warranty and charging fixed rates. Thanks to our experience with high-quality equipment, even the most stubborn blockages are resolved quickly and safely. Curious about our service for multiple blockages? Then read more about unclog multiple drains at the same time.
What professional methods are used Ontstoppen.nl to unclog drains?
Ontstoppen.nl uses advanced techniques such as high-pressure cleaning, mechanical milling, and powerful spring machines. Our professionals always first assess the nature of the blockage using modern inspection equipment, such as camera inspection where necessary. This allows us to determine whether the blockage is caused by deposits, grease, root intrusion, or a broken pipe, after which we implement the most effective and damage-free solution.
Our service includes all costs: call-out fees, use of professional equipment, unlimited labor, and an eight-week warranty. We always provide a permanent solution with no hidden costs, so you can use your drains safely and worry-free again right away. For a fast and guaranteed solution, you can always count on our have your drain unclogged with a guarantee service.





