Water tank waterproofing in Ahad Almasarihah: preventive periodic check

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

Water tank waterproofing in Ahad Almasarihah: the local context

The centre of Ahad Almasarihah sits about 667 m above sea level (SRTM open elevation data). Team note on Ahad Almasarihah: 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..

The most common problem with water tanks in this area is slow seepage through hairline cracks and at the joints between wall and floor, which often goes unnoticed until the water quality changes or the tank level drops faster than usual. Because these failures develop gradually, a periodic preventive check is far more useful than waiting for a visible leak. For a tank in Ahad Almasarihah, the work usually starts with cleaning and inspecting the interior, marking any cracks, and then choosing a coating system that suits the condition of the concrete and the water it holds.

The local setting shapes that approach. The centre of Ahad Almasarihah sits about 667 m above sea level (SRTM open elevation data), so the elevation is a useful reminder that the site is not a flat plain and that rooftop and elevated tanks can be exposed to strong sun and temperature swings. Such conditions tend to stress coatings over time, so the preventive plan should favour a system that stays flexible and can be recoated on a regular schedule. Internal tank coating typically falls in the range of SAR 25–60 per m², while epoxy coating is priced at SAR 35–90 per m², and the final choice depends on the tank's size, its current surface and how much movement the structure shows. Crack injection, priced at SAR 40–120 per metre, is often added where a specific fault line is found.

Before the visit, ask the provider to explain how they will inspect the tank, whether they will drain and clean it first, and how they will test for cracks and joints. Request a written breakdown that states the area being treated and the rate applied, so you can compare the cost per square metre against the ranges above. Ask how long the coating should last before the next inspection, and what preparation you need to make, such as arranging water supply during the work. Clear answers to these questions will help you judge whether the plan is a genuine preventive service or simply a repair dressed up as maintenance.

Preventive checks follow a written schedule instead of waiting for a fault.

When do you need water tank waterproofing?

The following signs are worth checking before they grow:

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

Where the problem usually comes from

• Damaged old coating.
• Cracks in the walls or floor.
• A common cause: construction joints.

How we choose the tool in Ahad Almasarihah

From the first visit to the report

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.

Quick comparison: facts and costs in Ahad Almasarihah

Common questions about water tank waterproofing in Ahad Almasarihah

What we advise against

• Using a material that is not intended for drinking water

What you get after the work

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