Water tank sealing in As Salamah Makkah
As Salamah stretches from the Umrah checkpoint to the Al Qazzaz scheme along the old Jeddah-Makkah road, a mixed quarter of apartment buildings, villas and shops. Tanks here face constant groundwater seepage through weak foundations and external walls; the water table is high in some sectors. Sealing must account for tank depth and the condition of surrounding foundations.
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Potable-rated materials
Linings and disinfectants cleared for drinking water tanks, not general-purpose products.
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You get the downtime first
How many hours the tank is out of service, told before we start rather than after we finish.
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A first-draw flush
We run the first draw off after refilling, and the tank is not handed back until the water runs clear.
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Ground and roof tanks
Villas, apartment blocks and premises that need a written record of each visit.
Why the job is different in As Salamah
Tanks in As Salamah suffer from rising groundwater penetration and seepage through side cracks, particularly near the old road where soil remains damp year-round. The method is set out in full on Water tank sealing in detail.
Buried tanks near the high water table
Most tanks here lie beneath gardens and courtyards where the groundwater rises in winter and autumn. The external tank walls face constant pressure from moisture and saturation in the surrounding soil.
Cracks at the floor-to-wall joint
Uneven ground settlement beneath tanks creates cracks where floor meets wall, the most common leak site in the district. Soil movement and subsidence widen these seams continuously.
Pipe entries and fittings exposed to ground pressure
Pipes enter the tank from multiple points and ground pressure causes them to separate from the tank walls. Older fittings may be corroded or fractured.
The character of As Salamah
Mixed district: shops at street level with homes above them
The mixed character means tanks vary in size and type. Villas may contain deep tanks buried beneath yards, while apartment buildings may have rooftop tanks. Sealing must assess each building type and tank location separately.
What we read before any material is opened
A mixed quarter on the old Makkah road extending from the Umrah checkpoint to the Al Qazzaz scheme, with residential buildings, villas, schools and bus stops. The Third Ring Road works have cut through parts of the district.
Cracking in the wall
Lengthwise cracks in walls result from uneven ground settlement and groundwater pressure from outside.
The floor to wall joint
The floor-to-wall joint is weak because the soil beneath is unstable and moisture infiltrates here first.
The condition of the old lining
Pipe entries and fittings bonded to walls have lost their seal; rust and ground movement have separated them from the tank body.
Sediment and scale
Moisture is very high from the rising water table and heavy clay soil around the tank year-round.
The pipe entries
The tank lies buried beneath a courtyard or garden at depths between 1.5 and 3 metres, bearing the weight of soil and vegetation above.
The hatch and the vent
Seepage signs appear as dampness in the surrounding foundation, algae growth around the tank, or ground subsidence above it.
How we work
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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.
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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.
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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.
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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
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Finding where the water leaves
Carried out drained and dry: cracks, joints, pipe collars and the outer face of the wall.
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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.
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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.
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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.
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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.
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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 Umrah Sub-Municipality
Al Umrah sub municipality covers the north west of Makkah along the Madinah road and the old Jeddah road, from At Tanim and Masjid Aisha to An Nawwariyah. Its districts are the city's newest, villas and apartment blocks raised on wide schemes where large tracts in Al Umrah Al Jadidah, Al Fayha and Al Buhayrat remain vacant or under construction. Wadi Saraf and Wadi At Tanim run through it and rainwater gathers on unfinished schemes, ihram shops, restaurants and coach stops along the Madinah road serve a constant flow of pilgrims, and villas fill Al Hamra and Umm Al Jud.
Questions about this district
Why does the tank leak quickly after filling in As Salamah?
Wet soil and high groundwater press on the tank walls from outside. Small cracks widen under this pressure and water seeps inward to outward through them.
Is internal or external sealing better here?
Internal sealing protects the water supply. But if groundwater levels are very high, additional external wall treatment may be needed to reduce soil pressure.
How often do tanks in this area need resealing?
It depends on groundwater level and soil condition. In As Salamah where moisture is constant, resealing may be needed every 5 to 7 years.
Does wall seepage mean the tank is very old?
Not necessarily. Even new tanks leak here because of continuous ground pressure and high water table, not tank age.
How do we treat tanks close to villa foundations?
We drain the tank completely first. We repair cracks and joints near the foundation carefully and avoid materials that expand and push against surrounding masonry.
Does pipe-entry seepage mean we must dismantle the tank?
If the leak is at the pipe entry point, we seal it from inside after repair. Tank dismantling is usually not necessary.
How much does water tank sealing in As Salamah 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 As Salamah.
Nearby districts we cover
Other services in As Salamah
Other services we provide to residents of As Salamah.
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Water tanks
Water tank cleaning
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Water tanks
Water tank sterilization
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Water tanks
Tank leak repair
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Residential
Cockroach control
Need water tank sealing in As Salamah? Tell us what you saw and we will tell you what it needs
We reach As Salamah at a time we agree, and you get the full cost before we start.