Water tank sealing in Al Zumurrud Jeddah
Al Zumurrud is a northern coastal district on the Red Sea with new villas, apartments and residential-commercial plots. Tanks are exposed to high marine humidity and salt-laden air. Moist salt air accelerates corrosion of tank walls and metal pipes, and leaks here result not just from cracks but from chemical erosion.
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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 Al Zumurrud
Tanks here face very high marine humidity and salt-laden air; metal rusts quickly and concrete erodes faster than in inland areas. The method is set out in full on how we approach Water tank sealing.
Sea salt erodes concrete and metal
Coastal air carries continuous salt spray. Tank walls erode from the outside and metal pipes rust inside very rapidly.
High humidity accelerates cracking and leaks
Relative humidity here is 80 per cent or more year-round. Water penetrates small cracks easily and leaks begin very early even in new tanks.
Chalets and resorts need extra protection
Beachfront chalets and rest houses need heavily protected tanks. Salt water may spray directly onto the external tank surface, and sealant must be very strong.
The character of Al Zumurrud
Coastal area: high humidity and salt air through the year
A coastal district with new villas and apartments means tanks are relatively new but salt and humidity accelerate their degradation. Sealing here is not optional but essential immediately after installation, and sealant materials must be specialised for coastal environment.
What we read before any material is opened
A northern coastal district on the Red Sea with recent villas and apartments and residential and commercial plots, bordered by the sea to the west, Al Lulu and Al Yaqut to the south and Al Sawari to the east, with chalets and rest houses along its shore.
Cracking in the wall
Water inside the tank may contain traces of salt-laden air, requiring advanced cleaning and filtration before sealing.
The floor to wall joint
Floor and walls need inspection for concrete erosion from salt, not just cracks but material loss itself.
The condition of the old lining
Internal metal pipes and fittings may be rusted inside; corrosion may spread to joints and connections.
Sediment and scale
High humidity year-round means water penetrates any crack very rapidly; leaks do not wait for summer.
The pipe entries
The external tank surface may be coated with accumulated salt spray; external sealant must resist this accumulation.
The hatch and the vent
A tank exposed to coastal air needs more frequent inspection checks than tanks in inland areas.
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 Dhahban Sub-Municipality
Dhahban sub municipality is the northern coastal strip of Jeddah, running from the north bank of Sharm Obhur up to the old village of Dhahban and Salman Bay. Its districts are recently built, with owner occupied villas and apartments, beach resorts and chalets on the shore, and land subdivisions still being developed. Nearness to the sea keeps humidity high all year, irrigated lawns in villas, resorts and district parks hold water, Wadi Obhur and the vacant plots between buildings give rodents and reptiles shelter, and the old fishing village of Dhahban gives the far north a rural edge.
Questions about this district
Does sea salt affect tanks even if they are set back from the shoreline?
Yes severely. Salt is carried in the air and settles on the tank exterior continuously, speeding erosion.
Why do metal pipes in coastal tanks rust so quickly?
Humidity and salt penetrate the metal from inside and outside together, and rust blocks pipes and weakens them.
Is one sealing layer enough to protect against salt and humidity?
It may not be. We may need strong internal sealant plus external protection against salt and moisture together.
Do new tanks in Al Zumurrud need different sealing than tanks in inland areas?
Yes absolutely. The sealant must resist salt and marine humidity, not standard sealant.
How often does a coastal tank need re-sealing due to salt and humidity?
Every 3-4 years full inspection may be needed. Salt speeds deterioration far faster than inland areas.
Is cleaning the tank of salt residue enough before new sealing?
Cleaning is essential but we may also need to remove a layer of salt-eroded concrete before applying new sealant.
How much does water tank sealing in Al Zumurrud 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 Zumurrud.
Other services in Al Zumurrud
Other services we provide to residents of Al Zumurrud.
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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 Al Zumurrud? Tell us what you saw and we will tell you what it needs
We reach Al Zumurrud at a time we agree, and you get the full cost before we start.