Water tank waterproofing for residential buildings in Sharurah

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

What is specific about Sharurah for water tank waterproofing

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.

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..

Water tank waterproofing in residential buildings in Sharurah usually starts with a leak that nobody notices until the damage shows. Rooftop and ground-level tanks lose water through hairline cracks, failed joints and old coatings that have lifted from the concrete. Tank internal coating is often priced at SAR 25–60 per m², and the work is far cheaper when a leak is found early, before it reaches the structure below. For a family in a multi-storey building, a tank that drips into the top floor can quietly spoil ceilings and paint for months.

The location shapes the approach. The centre of Sharurah sits about 724 m above sea level (SRTM open elevation data), which means the town sits on higher ground in the Asir region with strong daytime sun and wide temperature swings between day and night. That heat-and-cool cycle makes concrete expand and contract, so cracks reopen even after a repair. For this reason, a good plan for a tank here focuses on flexible systems and proper surface preparation rather than a thin brush-on layer alone. Where the tank is exposed on a roof, liquid roof waterproofing at SAR 8–25 per m² and a bitumen membrane at SAR 15–35 per m² can protect the top surfaces, while epoxy coating at SAR 35–90 per m² is often used for the inside of a tank that holds drinking water.

Before the visit, ask the provider a few plain questions. Ask whether they will inspect the tank for cracks and check the inlet, outlet and overflow pipes, since leaks often start at fittings. Ask which system they propose and why it suits your tank material and its exposure to the sun. Ask how the surface will be cleaned and dried before coating, and whether the coating is safe for potable water. Finally, ask for a written quote that lists the area in m² and the rate applied, so you can compare it fairly with other offers.

For a whole building, a survey of the shared systems comes before unit-by-unit work.

Signs worth paying attention to

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

• 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

• A common cause: damaged old coating.
• A common cause: cracks in the walls or floor.
• Construction joints.

Tools and methods, and when we use them

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.

Quick comparison: facts and costs in Sharurah

Short answers for Sharurah

Common mistakes we see

• Using a material that is not intended for drinking water

What you get after the work

The written output: the material name, its batch number and the fill-test result. The report is numbered and can be checked with its verification code.