Water Tank Waterproofing in Dubai
Wet patches around a tank, rust stains or a constantly running float valve? We line concrete roof and ground tanks so they hold water — and keep it clean.
- Free site inspection
- Written quotation
- Warranty-backed work
- Wet patches or salts on the outside walls
- Cracks and joints inside the tank
- Pipe entries and overflow
- Manhole cover and seal
- Condition of any existing lining
Roof & ground tanks
Concrete tanks of all sizes
Suitable for stored water
Systems chosen for potable use
Pipe entries sealed
Penetrations bonded in
Written warranty
Workmanship guarantee
A leaking tank damages the structure around it.
Concrete water tanks crack with temperature movement, and pipe entries loosen over time. Water seeping through the walls corrodes reinforcement, stains the building and — for roof tanks — can leak into the rooms below.
After cleaning and inspection we repair cracks and joints, seal every pipe entry and apply an internal lining chosen for stored water.
- Damp patches or white salts on outer walls
- Rust stains from inside the concrete
- Float valve running more than usual
- Leaks in the room below a roof tank
- Visible cracks inside the tank
- Flaking or failed old lining
Tanks and the areas around them.
Lined from the inside, protected from the outside where needed.
Roof water tanks
Concrete tanks on villa and building roofs.
Ground tanks
Underground and partially buried tanks.
Pipe entries & overflows
Penetrations sealed into the lining.
Fire & irrigation tanks
Non-potable storage tanks.
Tank rooms
Floors and walls around tanks and pumps.
Leak investigation
Before deciding on a full re-line.
How we carry out water tanks.
Every stage is photographed for your report, and nothing is covered until it has passed a water test.
Inspect
External damp, internal cracks and pipe entries.
Drain & clean
Tank emptied, cleaned and dried.
Repair
Cracks, joints and penetrations repaired.
Line the tank
Internal waterproof lining to the specified build.
Cure, fill & hand over
Cured, refilled, checked, warranty issued.
Water tank waterproofing in Dubai: protecting the structure and the water inside
A concrete water tank does two jobs at once. It has to hold water without seeping into the structure around it, and it has to keep that water clean for the people who use it. Roof tanks bake in the summer sun, while ground tanks sit in damp soil. This guide explains how linings are chosen, what shapes the work, how to plan around a water shutdown and how to keep a lined tank in good condition.
How is the right lining chosen for a tank?
The first question is what the tank stores. Drinking water tanks need systems intended for stored drinking water, used strictly to the manufacturer’s instructions, including the curing and rinsing steps before refilling. Fire-fighting and irrigation tanks do not carry the same hygiene requirements, which widens the choice of materials, although they still need a lining that resists constant immersion. Any change of use later should be discussed before the tank is lined.
Location matters too. A roof tank goes through large temperature swings between day and night in Dubai, so the lining must tolerate movement in the concrete without cracking. A ground tank may also face moisture from the soil outside, which can push against the lining from behind. The condition of the concrete, existing coatings and the number of pipe entries all influence the final specification.
- Drinking water, fire-fighting or irrigation use
- Roof, ground or partially buried location
- Condition of the concrete and any old lining
- Number and type of pipe entries
What hygiene points matter for drinking-water tanks?
For potable tanks, the lining is in direct contact with water that people drink, cook with and wash in. That is why the product must be one intended for stored drinking water, mixed and applied exactly as the manufacturer’s data sheet describes, and allowed to cure fully. Cutting the curing time short can leave the surface unready for contact with water.
Cleanliness during the work matters as much as the product. The tank should be thoroughly cleaned, sediment removed and the surface prepared without leaving debris behind. After curing, the tank is rinsed and refilled, and owners should follow Dubai Municipality requirements on tank cleaning and maintenance. A secure manhole cover and screened vents also help keep dust, insects and birds out of the stored water.
What affects the cost of water tank waterproofing?
The size and shape of the tank set the basic scope, but access is often just as important. Small manholes, tanks in tight roof spaces and deep ground tanks take longer to work in safely, and confined-space precautions add to the effort. Tanks with internal partitions or baffles have more surface area and more corners to detail. Roof tanks may also need materials lifted by hand through stairwells.
The condition inside makes a large difference. A tank with an old lining that is flaking must be stripped back before anything new is applied, and cracks, honeycombed concrete or corroded reinforcement need repair first. The number of pipe entries to seal, and any external work on the outer walls, will also be listed separately in the itemised quotation. Where external damp has already marked the building, making good those areas may be added as an option.
How do you plan around the water shutdown?
The most practical concern for most owners is how long the property will be without stored water. The answer depends on the tank size, the repairs needed and the curing time of the chosen system, so we plan the sequence with you before draining begins. In buildings with more than one tank, they can often be treated one at a time to keep supply running.
For villas with a single tank, a temporary supply arrangement may be possible depending on the plumbing. Let residents, tenants or your building management know the dates in advance, and agree where the drained water will go. Turning off pumps and isolating the float valve before draining protects the equipment while the tank is empty. Once the tank is back in service, check the supply over the first few days for any unusual pressure or flow.
- Confirm the schedule before draining
- Notify residents or building management
- Isolate pumps and float valves
- Agree any temporary supply arrangement
What mistakes shorten the life of a tank lining?
Applying a new coating over an old, poorly bonded lining is a common error, because the new layer can only be as good as what lies beneath it. Coating a damp or dusty surface, ignoring cracks or applying the lining too thinly in corners all leave weak spots that water will find. Pipe entries that are coated around rather than properly sealed into the system remain the most likely leak point.
Refilling too early is another frequent problem, particularly in hot weather when the surface feels dry long before the material has cured. Using a product that is not intended for stored drinking water in a potable tank is a mistake that no amount of good workmanship can correct. Skipping a careful inspection after curing, before refilling, also means small defects go unnoticed until water finds them.
How do you keep a lined tank in good condition?
Regular cleaning keeps sediment from building up on the lining and allows a quick look at its condition. During each clean, check for blistering, peeling or discolouration, and look at the pipe entries and overflow for signs of seepage. On the outside, watch for new damp patches, white salts or rust stains on the concrete. Keeping a simple record of cleaning dates and what was seen makes changes easier to spot.
Keep the manhole cover sealed and the area around a roof tank free of standing water. A float valve that runs more often than usual can be an early sign of a leak. Water tank waterproofing performs best when small defects are caught early, so if anything changes, a prompt inspection is far easier than a complete re-line. A clear written report from each inspection also helps building managers plan future maintenance.
Rated 5.0 by the people whose homes we’ve worked on.
Every review is from a real client on our public Google Business profile.
Outstanding company — changed my 3 bathrooms completely in 4 weeks. Walls and floors redone, new sealing, bathtub replaced with a rain shower, everything while I was away. Very professional and good value.
Excellent response time. Very professional and cost effective. Not in the habit of overcharging.
Highly recommended for any maintenance issues or any work that requires a contractor. These guys know their stuff.
Did an excellent job on my room ceiling. The finish is flawless and the attention to detail is commendable. Highly satisfied with their service.
Water Tanks — your questions answered.
Straight answers. If yours isn’t here, send it on WhatsApp.
Send two or three photos of the stain or area. We’ll tell you what it probably is and whether it needs a visit.
Is the lining safe for drinking water?
For potable tanks we use systems intended for stored drinking water and follow the manufacturer’s curing time before refilling.
How long will we be without water?
It depends on the tank size and curing time. We plan the schedule with you, including temporary supply if needed.
Can a leaking tank be fixed without re-lining?
Sometimes — if the leak is a single pipe entry or crack. The inspection tells you which.
Do you clean the tank as well?
Yes, cleaning is part of the preparation.
Do you work on building tanks?
Yes, villa and building tanks, roof and ground.
Can a steel or plastic tank be lined in the same way as a concrete tank?
Not usually. Steel, plastic and fibreglass tanks need different materials and preparation, and many are better repaired or replaced. Our water tank service is aimed at concrete roof and ground tanks, so we will tell you honestly if your tank needs a different approach.
Should the outside of a ground tank be waterproofed too?
Where the outer walls are exposed during construction or excavation, an external membrane adds protection against soil moisture. For existing buried tanks, the internal lining does the main work, and external treatment is only considered when the inspection shows water entering from outside.
Will the lining change the taste or smell of the water?
When a system intended for stored drinking water is applied and cured to the manufacturer’s instructions, and the tank is rinsed before refilling, it should not affect the water. Following the full curing period is the most important step to avoid any taste or odour.
Should a roof tank and the roof under it be treated together?
Often, yes. A leaking roof tank usually wets the slab beneath it, and the roof membrane around the tank base and pipe entries is a common weak point. Treating the tank lining and the surrounding roof detail in the same visit avoids opening the area twice and gives one clear record of the work.
Related services
Tanking for basements, foundations and below-ground walls against groundwater and soil moisture.
Flat, sloped and podium roofs — torch-on bitumen under screed, or UV-resistant liquid membranes on exposed roofs with AC plinths, solar frames and pipe penetrations detailed properly.
Pool shells, balance tanks and fittings waterproofed with systems made for constant immersion and pool chemicals.
Fix the leak once.
Properly.
Tell us what you’re seeing. We’ll find the cause, show you the evidence and quote the right fix.