At Ontstoppen.nl We tackle any type of blockage. Whether it's your sewer, sink, or shower drain, we'll ensure everything flushes quickly. Our experts immediately diagnose the cause and always offer a permanent solution, so you can move forward worry-free.
Do you want to see how satisfied others are with our drain unblocking service? Feel free to check out our customer reviews regarding drain unblocking and discover why we are regarded as the specialist throughout the Netherlands.
What is drain unclogging and why is it so important?
Drain unclogging is the process of clearing a clogged drain of all blockages, allowing water to flow quickly and smoothly. Drain problems are quite common in Dutch households and businesses. Think of a kitchen sink that no longer drains, a shower drain that slowly fills, or even a sewer backing up into the toilet. Ontstoppen.nl We use professional unblocking equipment and modern tools you won't easily find at home. With these, we remove grease, hair, food debris, or soap from pipes and ensure that blockages are tackled at their core. A growing number of organizations, such as Rijkswaterstaat (the Directorate-General for Public Works and Water Management), and knowledge platforms like Technisch Weekblad (Technisch Weekblad), emphasize the importance of timely unblocking to prevent major damage such as overflowing bathrooms or wet crawl spaces.
How does unclogging a drain work? The process explained.
When your drain gets clogged, you naturally want the problem resolved immediately. We follow a strict, systematic approach to professional drain unblocking, based on recognized protocols and techniques from the installation industry. Below, you can see our process:
- Analysis of the blockage: With a digital inspection camera (sewer camera) we search for the exact location of the blockage – in the siphon, pipe or even the main sewer system.
- Determining the correct unblocking methodDepending on the type of blockage, we choose spring machines, high-pressure cleaners or mechanical cleaners, all certified and safe for your pipes.
- Removing the blockage: Using professional equipment such as electrical machines and flexible springs, we can also remove stubborn blockages without damaging the pipes.
- Functional testingAfter clearing the blockage, we perform tests to ensure the water drains properly. This prevents recurring problems.
- Advice and maintenance tipsFinally, we will provide you with free tips to help you prevent future blockages.
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.
In case of emergency, we ensure that you always receive quick help through our 24-hour service, because we understand that your day shouldn't revolve around a clogged drain.
The different types of clogged drains: From kitchen to rainwater drains
Blockages come in all shapes and sizes, from kitchens to balconies and roofs. We resolve every issue quickly and professionally. Several types of drains can easily become clogged, each with its own characteristics:
- Kitchen drainGrease, food residue, and oil often accumulate in the pipes. Powerful spring-loaded machines and special cleaning agents are the ideal solution.
- Shower and bath: The problem with these drains usually lies with soap, hair, and limescale. Mechanical springs remove the dirt easily.
- Rainwater drainageRainwater drains and gutters quickly become clogged with leaves or bird droppings. We use high-pressure cleaners and extra-long hoses for this. Want to learn more about unclogging rainwater drains? Read more on our website.
- Outside sewerageEspecially in the fall, outdoor pipes become clogged with leaves and sand. Camera inspection is crucial to prevent damage to foundations.
Every type of blockage requires a customized approach. With our all-inclusive rates, you know exactly what to expect upfront.
Professional technologies, tools and methods at Ontstoppen.nl
We work exclusively with specialized drain cleaning equipment. The Ridgid Sewer Inspection Camera, Rothenberger electromechanical spring washers, and Karcher pressure washers are examples of brands we successfully use when unblocking drains. These tools allow us to penetrate deep into pipes without any risk of damaging PVC or stoneware pipes.
Knowledge and expertise are a given for us; we stay up-to-date through training courses that comply with Techniek Nederland standards and information from the RIONED Knowledge Center. For businesses, we use protocols compliant with NEN-EN 1610 and NEN 3215 for drainage systems. Our technicians are VCA-certified for safe working, both indoors and outdoors, and apply a no-cure-no-pay policy to every job.
- Spring machine & milling machine: Ideal for stubborn blockages caused by hair, grease or limescale.
- Camera inspection: For detecting hidden cracks or subsidence in large pipes.
- High pressure cleaning: Cleaning with water pressure to rinse away deposits and buildup.
- Environmentally friendly cleaning: Biodegradable drain cleaners where possible.
Complete drain unblocking in homes and businesses
With us, you can always count on a complete solution if your entire household or business drain is clogged. We offer fast service, expert diagnosis, and a durable, guaranteed solution. Whether it's a washing machine drain, sink, shower drain, downspout, or kitchen sink, we repair everything at a fixed rate and with no surprises later. We work directly for individuals and businesses, schools, shops, restaurants, and healthcare institutions.
Do you want to know what you can do yourself in advance and when outsourcing is sensible?
- Do it yourself?: Baking soda helps with minor blockages in the sink; a plunger often helps with the toilet as well.
- Emergency serviceDo you have an urgent blockage? Call our emergency line for 24-hour assistance.
- Maintenance & prevention: Have the drains flushed periodically in case of stubborn deposits.
- Warranty & aftercare: 8-week guarantee on unblocking and free aftercare for recurring problems.
Get an immediate free price indication and local coverage
At Ontstoppen.nl Service is truly service: no hidden costs, regardless of the duration, you pay one rate per blockage. We offer nationwide coverage, from Amsterdam to Groningen and from Rotterdam to Eindhoven. This means we're always nearby, and you'll receive an immediate answer to your urgent question. Do you have questions about our fixed rate or would you like us to visit you today? Simply request a free quote via an immediate, no-obligation quote for drain unblocking.
Do you want to know how we can quickly help you get rid of your blockage in Haarlem? Then read more about sewer unblocking in Haarlem on our site via drain or have sewer unblocked in Haarlem.
Please feel free to contact us via 085 2505 217, WhatsApp or email info@ontstoppen.nl if you want immediate advice or would like to make an appointment. Ontstoppen.nl: your specialist for professional, reliable and fast drain unblocking throughout the Netherlands!
Frequently asked questions
How can you unclog a clogged drain yourself without professional help?
You can usually try clearing a clogged drain first with hot water and a little dish soap. Gently pour this down the drain to soften any accumulated grease and soap scum. Then use a traditional rubber plunger to loosen the blockage with a vigorous pumping motion. Be careful not to use chemicals if you're unsure how your drain will react, as they can damage pipes.
Is the blockage stubborn, or does the problem seem to keep recurring? Then the debris is likely located deeper in the pipe, for example due to accumulated hair, food residue, or limescale. In that case, it is wise to unscrew and clean the siphon, or to use a flexible drain snake to remove deeper blockages. If this does not work, calling in a specialist is a smart move. If you want to be sure that the blockage is resolved professionally and without damage, read more about having your drain professionally unblocked.
What are the most common causes of a clogged drain?
A clogged drain is often caused by flushing materials that are insoluble or barely soluble in water. The most common causes are hair in the shower, grease and food particles in the kitchen drain, and sanitary towels or toilet paper backing up in the sewer. Accumulation of soap scum, sand, or limescale also contribute to blockages, especially in older pipes that already have some buildup.
Outside the home, tree roots can force their way through old earthenware drains and cause serious blockages. Wear and tear, subsidence, or structural defects in the drain are also known culprits. Regular maintenance and paying attention to what you flush down the drain prevents most problems. If you experience recurring blockages or are unsure of the cause, have your drainage system inspected by our experts. Want to know how we handle this? Ontstoppen.nl to get started, read on unclogging drain by certified company.
What professional techniques are used to clear a stubborn drain blockage?
For stubborn blockages, we use professional unblocking equipment such as pressure washers and mechanical spring machines. Using high-pressure jets, we force water down the drain, easily flushing away contaminants like grease, limescale, soap, and other accumulated debris without damaging pipes. For complex blockages, we use a mechanical spring that reaches deep into the sewer and can dislodge even the most stubborn obstructions.
We also use camera inspection to determine the exact location and cause of the blockage. This allows us to work in a targeted manner and avoids unnecessary hacking or breaking. Do you have a serious blockage in the kitchen, shower, or main drain? Let our team get the job done with an all-in approach and an 8-week guarantee. Want to know more about this method or curious about our rates? Discover more about the professional resolution of stubborn drain blockages.
How do you recognize an incipient drain blockage and what can you do to prevent further problems?
You can usually recognize a developing blockage by gurgling sounds in the drain, water draining slowly, or a foul, musty smell coming from the drain. Sometimes you'll notice the water in the sink or shower rising briefly before slowly disappearing. These are signs that something is starting to get stuck in the pipe, for example, grease, hair, or other debris.
Prevent further problems by taking quick action: clean the drain, remove hair or food debris, and flush regularly with boiling water and a little baking soda or vinegar. Avoid flushing grease and solids down the drain, as these cause rapid buildup. If these issues keep recurring, it is wise to have a professional take a look before the blockage worsens. Timely maintenance keeps your drain trouble-free and can prevent costly damage. If you want to know what an expert can do to prevent problems, read more about having your indoor drain unclogged.
Why do so many people in the Netherlands choose Ontstoppen.nl when unclogging their drain?
At Ontstoppen.nl You'll benefit from fixed low rates, no surprises, and complete peace of mind thanks to our 8-week warranty. We operate a no-win, no-fee policy, arrive at your doorstep within 24 hours, and charge a single, all-inclusive price for our services – so you know exactly what to expect, regardless of how long it takes to resolve the blockage. With our professional equipment, extensive experience, and dedicated professionals, we deliver fast and lasting results.
Customers appreciate our transparency, our professional workmanship without unnecessary demolition, and our clear explanations for every job. Whether it's a simple blockage in the kitchen or a complex one in the main sewer, we'll resolve it professionally – always with a pre-agreed price. This way, you can get your household back on track quickly and hassle-free, and you can count on honest and reliable service, every day.
