A technician checking the inside wall of a concrete water tank with a torch
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Tank leak repair in Al Quraiyat Jeddah

Al Quraiyat is an old popular district in south Jeddah with densely packed apartment blocks built decades ago. Tanks here are very old and salt corrosion and cracks cause constant seepage. We close the float valve and outlet, watch the level drop and determine whether the loss is the tank itself or the connected pipework.

  • Potable-rated materials

    Linings and disinfectants cleared for drinking water tanks, not general-purpose products.

  • You get the downtime first

    How many hours the tank is out of service, told before we start rather than after we finish.

  • A first-draw flush

    We run the first draw off after refilling, and the tank is not handed back until the water runs clear.

  • Ground and roof tanks

    Villas, apartment blocks and premises that need a written record of each visit.

Why the job is different in Al Quraiyat

The apartment buildings date fifty years or more back and tanks on the roofs show visible cracks from salt and moisture exposure. The method is set out in full on the full Tank leak repair page.

The first reason

Old concrete tanks on rooftops

Traditional concrete tanks built in the 1960s and 1970s sit on apartment rooftops. Sun, salt and soil movement have weakened the walls and floors.

The second reason

Feed and distribution pipework is worn

Pipes rising from tanks to flats and from underground tanks upward are old and may shift as the building settles. Pipe entry and exit points are cracked.

The third reason

Water demand varies with season

Residents increase consumption in summer and demand may exceed storage. Tanks run under high pressure, hastening leak development.

The character of Al Quraiyat

Apartment district: residential blocks, repeated floors and shared entrances

An old densely packed residential quarter means tanks sit on very close apartment rooftops. Roof access is limited and spaces are cramped, so work must account for high walls and tangled pipe layouts.

Before treatment

Where the water leaves decides how it is repaired

An old popular residential quarter in south Jeddah within the Al Jamiah sub-municipality, lying between Al Thaalibah to the west and Nazlah quarters to the east, with closely spaced buildings, everyday shops and local services nearby.

A concrete wall marked with damp and a white salt bloom

Damp and salt on the outside wall

Fine cracks are found by filling the tank and waiting an hour to note slow level drop.

A fine crack running across a concrete surface

The kind of crack

Checking pipe entry and exit points reveals whether fitting joints are loose or leaking.

The corner where a concrete floor meets a wall

The wall to floor junction

Moisture on rooftops and sea salt corrodes concrete tanks faster on exposed surfaces.

Water pipes passing through a concrete wall

Pipe entries

Continuous leakage causes large water loss and high monthly water bills.

A blistered and peeling layer on a concrete surface

The condition of the old lining

Old tanks have cavities and deep cracks hidden beneath plaster and weak walls may collapse if fully dried.

A white plastic water tank standing outside

What the tank is made of

High pressure from feed tanks causes seepage from small cracks even when not visibly large.

How we work

  1. 1

    Inspect and locate the leak

    We close the float valve and the outlet, mark the water level and watch it fall, then check the fittings and the wall beside it. That separates a tank leak from a pipe leak or a float valve that never shuts.

  2. 2

    Drain, clean and dry

    We empty the tank, lift the sediment off the base, wash back to sound concrete and let the surface dry. No repair holds on a damp or dusty face.

  3. 3

    Repair the cracks and the entries

    We cut the crack open, fill it with a non-shrink mortar, inject anything still weeping and rebuild around the pipe sleeve. A joint that moves takes a flexible detail, not a rigid one.

  4. 4

    Refill, test, then sterilise

    We refill, read the level again to confirm the drop has stopped, then sterilise before the water is used, because the tank has been open with tools and hands inside it.

What tank leak repair includes

  • A technician inspecting with a flashlight

    A marked level test

    A reading before and after with everything shut, which establishes that the loss is the tank and not the plumbing.

  • A metal floor drain

    Draining and sediment removal

    Water and silt out of the base, so the floor and the walls can be seen as they really are.

  • A spray nozzle in close detail

    Pressure wash and dry back

    The weak layer and the dust come off, because a repair only holds on sound concrete.

  • A gloved hand applying bait into a joint

    Cracks opened and filled

    The crack is cut open and filled with a non-shrink mortar, and anything still weeping under water pressure is injected.

  • The visit report being written on a clipboard

    Refill and a recorded test

    We refill, read the level again and write the reading down, so the result is not a matter of opinion.

  • A clean kitchen counter after treatment

    Sterilised and back in service

    A wash and a sterilisation once the material has cured, and guidance on running the first fill off before the water is used.

What is different about Al Jamiah Sub-Municipality

Al Jamiah sub municipality spans the older south of Jeddah. Planned districts such as Al Fayha, Al Thaghr and Madain Al Fahd sit beside crowded popular quarters like the Nazlahs and Al Quraiyat, and beside cleared or clearing land in Ghulail, Petromin and Al Thaalibah awaiting redevelopment. Apartment buildings stand close together above dense runs of shops and restaurants along Old Makkah Road and Prince Majid Road. Drainage in the popular quarters is ageing, humid air drifts in from the port and refinery side to the west, and the flat low lying ground holds rainwater in narrow streets.

Questions about this district

How do we tell whether a leak is in the tank or the pipes?

We close the float valve and outlet and watch the level fall. Slow drop means pipe leak. Fast drop with no meter movement means the tank itself is leaking.

Why does seepage return after only patching the visible cracks?

Old tanks have many cracks and salt eats through the walls. Without fixing the root cracks before lining, new cracks surface beneath the coating.

Is lining coating alone enough to stop the leak?

No. Lining needs the cracks and leaking pipes repaired first. Coating alone will fail because it does not address the underlying cause.

Is a rooftop tank riskier than an underground tank?

Yes. The top tank is exposed to sun, salt and wind. It corrodes faster and bears higher pressure.

Does repair cost depend on crack size or location?

Location matters more than size. Cracks in the floor stop water under direct pressure. Wall cracks may be harder if far from the outer surface.

Is internal tank inspection necessary before repair?

Yes. Internal cracks, sediment and corrosion affect repair method and lining application.

How much does tank leak repair in Al Quraiyat cost?

It is set after the inspection, because the price follows the type of infestation, the size of the space, how far it has spread and the number of visits it needs. Send a photo and a description on WhatsApp and we will give you an estimate before we reach Al Quraiyat.

Other services in Al Quraiyat

Other services we provide to residents of Al Quraiyat.

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Need tank leak repair in Al Quraiyat? Tell us what you saw and we will tell you what it needs

We reach Al Quraiyat at a time we agree, and you get the full cost before we start.

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