Water tank waterproofing in Rastanura: when to call a technician

Prepared by the technical team · editorial review · last updated 13 November 2026 · Sources

What is specific about Rastanura for water tank waterproofing

Team note on Rastanura: Kashf teams serve this city and its nearby districts with the same documented inspection standard: device-based leak detection without demolition, a written report, and a clear scope before any work begins.. Rastanura is about 0.2 km from the sea coast (OpenStreetMap).

Rastanura sits about 0.2 km from the sea coast (OpenStreetMap), and that closeness shapes how water tanks in the area tend to fail. The most common problem we see is seepage through the tank's concrete walls and joints, which shows up as damp patches, a musty smell, or flaking paint on the outside of the tank or on the wall beside it. Salt-laden air and a constant damp environment can speed up the breakdown of coatings, so a tank that looked fine for years may start to leak sooner than expected. If you notice any of these signs, it is time to call a technician rather than waiting for a larger leak to develop.

Because of the coastal location, a technician will usually look first at the tank's internal coating and any cracks before deciding on a repair. Tank internal coating is typically priced at SAR 25–60 per m², while epoxy coating ranges from SAR 35–90 per m², and the right choice depends on the condition of the surface and how the tank is used. Small cracks may need crack injection at SAR 40–120 per metre, and spray foam at SAR 20–45 per m² is sometimes used where a continuous layer is needed. A proper inspection should explain which option suits your tank rather than defaulting to the most expensive one.

Before the visit, ask the technician to confirm exactly what work is included and to measure the area so the quote is based on real figures. Ask which materials they plan to use and how they will prepare the surface, since poor preparation is a common reason coatings fail early in damp, salty conditions. It also helps to ask how the tank will be emptied and refilled, how long the work is expected to take, and whether they will check for leaks again after the coating cures. Keeping these questions in mind will help you compare visits fairly and make a decision you can trust.

Some signs can be watched for a few days; others need a technician straight away — the signs list above helps you decide.

Signs that call for water tank waterproofing

If you notice one of these signs in Rastanura, it is a good moment to talk to the team:

• Unusual colour or taste in the water
• Deposits and flaking inside the tank
• A tank that leaks after testing

Where the problem usually comes from

• A common cause: construction joints.
• Cracks in the walls or floor — we check this before anything else.
• Damaged old coating — we check this before anything else.

Tools we use in Rastanura

The steps in order

1. Emptying and ventilation: The tank is emptied and ventilated before entry.
2. Cleaning and preparation: Loose material is removed down to a sound surface.
3. Crack treatment: Active cracks are treated first.
4. Coating layers: A material intended for drinking-water tanks is applied.
5. Disinfection and fill test: The tank is disinfected and the level is monitored after filling.

Facts and costs — Rastanura

Questions from Rastanura

Mistakes that cost more

• Using a material that is not intended for drinking water

The written outputs

You receive: the material name, its batch number and the fill-test result, in a technical report with a verification code.