Water tank waterproofing in Sharurah: with a verifiable technical report

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

Water tank waterproofing in Sharurah: the local context

Team note on Sharurah: 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 centre of Sharurah sits about 724 m above sea level (SRTM open elevation data).

Main roads in or near Sharurah: King Abdulaziz Road, King Fahd Road.

Consider a homeowner in Sharurah who has noticed damp patches on the walls near a rooftop water tank, or a faint taste and discolouration in the stored water. The property is a typical family house, and the owner wants to know whether the tank needs treatment, what it will roughly cost, and how to proceed without wasting money on the wrong job. Like many residents, they may be comparing quotes for different products and wondering which one actually fits their tank.

The local setting matters. The centre of Sharurah sits about 724 m above sea level, which places the town in a highland area where the climate and rainfall pattern shape how buildings age. For a tank, this means the owner should expect real temperature swings between day and night and should inspect the seams, lids and fittings after seasonal changes rather than assuming a single installation will last indefinitely. Because the cost of tank internal coating is quoted at SAR 25–60 per m², while the tank's roof area is typically covered by liquid roof waterproofing at SAR 8–25 per m², the owner should measure both surfaces before requesting a quote so that comparisons are made on the same basis.

A sensible sequence starts with a full inspection: drain the tank, clean it, and mark every crack or joint. Next, decide the scope. If the inside of the tank is the problem, tank internal coating is the relevant line item; if the leak comes through the roof, liquid roof waterproofing or a bitumen membrane may be the better fit. Where a crack runs through a wall, crack injection is priced per metre at SAR 40–120 per m, so measuring the total crack length helps set the budget. Finally, ask each contractor to state the product, the surface area they measured, and the per-unit rate they are applying, then check that the final invoice matches the agreed figures before work begins.

Each job ends with a written report that carries a verification code you can check on our site.

Signs worth paying attention to

These are the signs most often linked to water tank waterproofing:

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

Causes we see in the field

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

How we choose the tool in Sharurah

How the work is done, step by step

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 — Sharurah

Common questions about water tank waterproofing in Sharurah

Mistakes that cost more

• 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.