A technician applying a lining coat to the inner wall of an emptied water tank
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Water tank sealing in Shaib Amir Wa Shaib Ali Makkah

Shaib Amir and Shaib Ali are two old ravines north east of the Grand Mosque behind Souq Al Layl, historically the heartland of Banu Amir and neighbour to Al Ghazza and Al Judariyah markets. Most old stone houses still cling to the slopes of Jabal Khandamah. Tanks here are very old and face constant leaks from cracks in stone and concrete.

  • 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 Shaib Amir Wa Shaib Ali

Stone houses date back over a century and tanks are small, buried underground, suffering constant leaks and salt and moisture erosion. The method is set out in full on Water tank sealing in detail.

The first reason

Stone houses and buried tanks

Tanks here lie underground within or beside old stone houses. Sandstone has eroded through salt and moisture over decades, cracks run deep and leaks are continuous.

The second reason

Slopes and high groundwater

The quarter sits on the slope of Jabal Khandamah with very high groundwater especially in the rainy season. Water pressure from below strains tank walls and leaks rise from the floor.

The third reason

Salt-laden air and damp ravines

Proximity to the mosque and narrow ravine passages mean high humidity and air saturated with sea salt and mineral salts from ancient soil. This accelerates failure of any new coating or seal.

Landmarks of Shaib Amir Wa Shaib Ali

Access to tanks in Shaib Amir Wa Shaib Ali runs via Jabal Khandamah to the east and Souq Al Layl to the west. The narrow ravines and buildings clinging to the slope define the work zone and allow precise understanding of groundwater and moisture patterns.

  • Souq Al Layl
  • Jabal Khandamah
  • The Grand Mosque
  • Shiab Amir Street
  • Al Mualla Cemetery
Before treatment

What we read before any material is opened

A historic quarter set in ravines north east of the Grand Mosque behind Souq Al Layl, bounded by Jabal Khandamah to the east and Al Masjid Al Haram Road to the west, with part cleared for the northern expansion plaza.

A fine crack running through a concrete wall

Cracking in the wall

Inspection of stone cracks focuses on joints between old stone and modern cement, where leaks begin.

The junction of a concrete floor and wall inside an empty tank

The floor to wall joint

High groundwater from the slopes exerts constant pressure from below and sides, causing floor and lower corner cracks.

A coating flaking away from a concrete surface

The condition of the old lining

Inspection of joints between tank walls and surrounding stone reveals voids where groundwater seeps.

Limescale deposits inside a water pipe

Sediment and scale

Salt accumulation on the inner surface indicates salty groundwater leaking in from outside and the salt-laden environment.

Water pipes passing through a concrete wall

The pipe entries

Erosion of the sandstone itself means the tank has lost much of its protective thickness, especially at corners.

A metal cover over a water tank opening

The hatch and the vent

Internal sediment and algae indicate groundwater seepage carrying minerals and salts from ancient soil.

How we work

  1. 1

    Inspect with the tank empty

    We drain it and read the surface dry: whether the water leaves through a crack, a joint or a pipe collar, and what the outer face of the wall and the ceiling below are telling us. A level test with the valves closed separates a leaking tank from leaking pipework.

  2. 2

    Clean and prepare the substrate

    Sediment out, a high pressure wash, the loose old lining and the weak surface layer of the concrete taken back, then dried. The material grips sound substrate and nothing else.

  3. 3

    Make the cracks and joints good

    Cracks are chased out and filled with a repair mortar, a cove is formed where the floor meets the wall, and every pipe collar is treated on its own.

  4. 4

    Lining, fill test, sterilisation

    Successive coats, each run across the one beneath it, on the face the water touches. Then a full cure, a fill with the level watched, and sterilisation with the first fill run to waste before the tank returns to use.

What water tank sealing includes

  • A technician inspecting with a flashlight

    Finding where the water leaves

    Carried out drained and dry: cracks, joints, pipe collars and the outer face of the wall.

  • A metal floor drain

    Draining and sediment removal

    The last of the water and the settled layer on the floor come out, because a lining does not stick over sediment.

  • A gloved hand applying bait into a joint

    Cracks and joints made good

    The crack opened and filled, a cove formed at the floor to wall junction, and each pipe entry worked separately.

  • A spray nozzle in close detail

    Lining coats on the water face

    More than one coat, each crossing the one below, in material made for drinking water tanks rather than roof waterproofing.

  • A clean kitchen counter after treatment

    Curing, fill test and sterilisation

    The material is left to cure, the tank is filled and the level watched, then sterilised and the first fill run to waste. How long the cure takes follows the material and the weather, and we tell you before the date so you can plan around the supply.

  • The visit report being written on a clipboard

    A follow-up level check

    We come back once it is in service to read the level and check the outer face, because any remaining loss shows up then rather than on the day of the work.

What is different about Al Ghazza Sub-Municipality

Al Ghazza sub municipality wraps around the north and west of the Grand Mosque, from Al Shamiyah, Al Qararah and Shaib Amir round to Jarwal and Al Taysir. Large tracts were cleared for the northern expansion and the Rua Al Haram scheme, leaving excavated ground and open construction sites beside ageing blocks that now serve as dense seasonal lodgings in Jarwal and Al Taysir. Old flood paths still fall from Jabal Qaiqaan and Jabal Khandamah towards the mosque, and markets and eateries crowd Al Masjid Al Haram Road and Umm Al Qura Road.

Questions about this district

Why does the tank beneath the stone house leak from below?

Groundwater is high and pressure comes from below ground. Sandstone has eroded and become porous, so sealing needs a barrier from underneath, not just above.

Can we seal a buried tank without digging up the whole house?

Yes, if internal access exists. But if the problem is external and groundwater pressure, we may need partial excavation.

Does salt trapped in the stone destroy any new seal?

Salt accumulation in stone penetrates a seal slowly. Salt treatment first is essential before any new sealing.

How often must the tank be resealed in this quarter?

Salt-laden and damp conditions mean resealing every 3-4 years. Annual inspection prevents sudden leaks.

Does being underground mean the tank is protected from salt and moisture?

No, the opposite. Underground tanks are compressed by moisture and groundwater from every side.

Does tank sealing help if the outer house wall is cracked?

Tank sealing helps but is not enough. A cracked outer wall lets groundwater enter around the tank.

How much does water tank sealing in Shaib Amir Wa Shaib Ali 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 Shaib Amir Wa Shaib Ali.

Other services in Shaib Amir Wa Shaib Ali

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