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Sultangazi, Istanbul

Sultangazi Sewer Line Unclogging

Requests for sewer line unclogging in Sultangazi often start with the same question: why does waste water rise from the ground-floor toilet when the upper floors use water? This usually means the building's shared main line is blocked. At Cantley, we first inspect the line by camera at your address and explain the cause to you, then we clear the drain.

The crew first follows the manholes in order to narrow down where the blockage is, then films the inside of the pipe with a camera. Cleaning done without seeing the roots, grease mass or collapsed section often fails again within a short time. After clearing the line with a motorised drain snake and high-pressure water jetting, we check with you that the flow is clear all the way to the street connection.

Why the main line blocks in Sultangazi's building stock

Buildings in Sultangazi are mostly attached four- and five-storey blocks, but many have been extended with extra floors over the years while the shared stack and the outlet line have stayed at their original diameter. Kitchen grease, together with hair and soap residue from the bathroom, builds up at the bends of these narrow lines. The picture is the same in neighbourhoods such as Esentepe and Habipler; the first sign usually appears in a basement or ground-floor flat.

On sloping streets, basements sit lower than the main line in the street, so when the line blocks, water can be pushed back into them. If the kitchen drain of a café or restaurant on the main road leaves grease in the same line, neighbouring floors are affected too, which is why we use the camera to look for the source of the load. The building caretaker is often the first to notice a sewer smell in the basement or an overflowing manhole, and reporting this to management straight away stops the flooding from spreading.

Frequently asked questions

If water comes back up the ground-floor toilet in Sultangazi, is the main line the cause?

Yes. When waste water comes back up on a lower floor as the upper floors use water, it usually points to a blockage in the building's shared line. Do not pour chemical drain opener yourself, because it can damage the pipe and can put you at risk.

How can you tell whether the blockage is inside the building or in the street network?

The distinction is made by looking at the manholes: if the building's last manhole is empty but the chamber in the street is full, the problem is most likely in the network. In that case İSKİ should be notified, and it would not be right for residents to interfere with the network.

What can be a lasting solution if the basement floods in the rain in Sultangazi?

A lasting solution is often to fit a backflow valve on the basement outlet once the line has been cleared. We first confirm that the main line is clear, because on a blocked line a backflow valve alone is not enough.

Are your drains slowing down in Sultangazi?

If water is coming back up from the ground floor or there is a sewer smell in the basement, you can call 0212 923 66 85 or message us on WhatsApp.

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