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

Al Sahifah is an old central district blending historic and modern apartment buildings, with tanks distributed on rooftops and between floors. Most tanks are old or middle-aged, and leaks are common in the hot summer when metal and concrete expand and contract. Early inspection is essential because leaks can damage the ancient foundations beneath.

  • 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 Sahifah

The urban fabric here is old with modern additions interspersed, and existing tanks range from basic concrete boxes to slightly newer metal variants. The method is set out in full on our Tank leak repair service.

The first reason

Old concrete tanks sitting on rooftops

Most residential buildings placed concrete tanks directly on rooftops decades ago. These tanks have endured sun and heat for decades, concrete has weakened, and fine cracks now appear on walls and floor.

The second reason

Inlet and outlet pipes fixed through ancient walls

Tanks here are fed and drained by rigid or flex pipes piercing very old masonry. The joint between pipe and tank is a common leak site, especially if rubber seals have hardened with age.

The third reason

Seasonal pressure and thermal expansion crack and widen fissures

In hot summers concrete expands and metals shift dimensions. Fine cracks widen and leak, especially at peak usage hours when network pressure climbs.

The character of Al Sahifah

Apartment district: residential blocks, repeated floors and shared entrances

Al Sahifah is an old quarter with modern buildings mixed in. Old rooftop tanks need repair that accounts for structural weakness of the roof and foundations, so work must be incremental to avoid extra stress.

Before treatment

Where the water leaves decides how it is repaired

A historic central quarter adjoining old Jeddah from inland, bounded by Al Balad, Al Ammariyah, Al Kandarah and Al Sabil, with Old Makkah Road along its north edge and King Abdulaziz Road running through it.

A concrete wall marked with damp and a white salt bloom

Damp and salt on the outside wall

Cracks in concrete walls and floor cause leaks from thermal stress and pressure cycling over years.

A fine crack running across a concrete surface

The kind of crack

Seals at pipe entry points fail because rubber has hardened or crumbled with age.

The corner where a concrete floor meets a wall

The wall to floor junction

Weak old foundations under heavy full tanks suffer additional stress, creating cracks through the floor.

Water pipes passing through a concrete wall

Pipe entries

Salt air, high humidity and direct sun accelerate concrete and steel decay.

A blistered and peeling layer on a concrete surface

The condition of the old lining

The tank floor bears the full weight of water and highest pressure, leaking first.

A white plastic water tank standing outside

What the tank is made of

Cracks appearing after intense summers may continue widening even in cooler seasons.

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 Balad Sub-Municipality

Al Balad sub municipality covers the historic core of Jeddah and the districts that first grew outside its wall. Its building stock is the oldest in the city: heritage stone houses and apartment blocks from past decades, threaded with hotels, shops and crowded popular markets around Bab Makkah, Bab Sharif and the Kandarah Souq. Nearness to the sea, the Islamic Port and the Arbaeen lagoon keeps humidity high all year, water and drainage networks are old, and narrow lanes, dense eateries and commercial storerooms put food and shelter within reach at every corner.

Questions about this district

How do we tell if the leak is in the tank itself or the plumbing?

We close the inlet float valve and outlet, then monitor the level fall. If it drops, the leak is in the tank. If it holds steady, the problem is in the pipes below.

Can old concrete tanks be repaired or must we replace them entirely?

We repair cracks with cement compound or specialist adhesive. If cracks are deep or very numerous, full replacement may be needed.

Does salt air and high moisture speed up tank deterioration?

Yes. Salt and humidity attack the steel reinforcement and weaken concrete, making cracks appear faster.

Is repair work safe if electrical wiring runs near the tank?

Yes, but we avoid electrical zones and dry-patch first. If wiring is very close, temporary power isolation may be needed.

Do tanks in old buildings need different treatment than modern tanks?

Yes. Old tanks sit directly on old roofs with no insulation. We focus on connection points and thermal expansion stress in these cases.

After repair, should we apply lining to the tank?

Lining comes after repair, cleaning and drying. Lining never replaces repair, only protects the repair from future damage.

How much does tank leak repair in Al Sahifah 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 Sahifah.

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

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