Water tank waterproofing in Tabuk: for companies (annual contract)

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

Before we start: what we know about Tabuk

Team note on Tabuk: 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 Tabuk sits about 762 m above sea level (SRTM open elevation data).

For companies on an annual contract in Tabuk, the first thing checked at a water tank is the elevation of the site, because the centre of Tabuk sits about 762 m above sea level (SRTM open elevation data). That height shapes how pressure builds in the supply lines and how the tank is filled and drained, so the technician notes it before touching the surface. Next, the crew looks at the tank's internal coating, since tank internal coating is priced per m² at SAR 25–55 per m², and the scope of that coating depends on what the first inspection shows. Cracks and joints are logged early too, because crack injection is quoted per metre at SAR 40–115 per m, and knowing the length of each defect helps the company plan the annual schedule.

Some decisions are left to the site visit itself. The technician decides whether the tank's inner walls need a full epoxy coating, which is priced at SAR 35–85 per m², or whether a lighter treatment is enough. Spray foam at SAR 25–35 per m² and XPS boards at SAR 10–30 per m² are both options for other parts of the structure, and the choice between them depends on access, the surface condition and how the building is used. Where the tank sits in a basement or a below-ground area, the basement rate of SAR 50–145 per m² may apply, and the technician confirms that on the spot. Roof and sanitary areas linked to the tank are inspected in the same visit, with liquid roof waterproofing at SAR 10–25 per m², bitumen membrane at SAR 15–35 per m², and bathroom waterproofing at SAR 15–40 per m² all considered only where the site calls for them.

To help the technician, the company should have ready the tank's capacity, its location on the property, the access route, and a record of earlier repairs or leaks. Any past crack injection, coating or membrane work should be shown with dates, so the crew does not repeat work already done. Information about how often the tank is emptied and cleaned is also useful, since it affects when coatings can be applied and how long the area stays out of use. Clear notes on these points let the technician prepare the right materials and give the company an accurate picture before work begins under the annual agreement.

For companies, an annual contract sets the scope, the visit schedule and the reports in writing.

When do you need water tank waterproofing?

The following signs are worth checking before they grow:

• 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

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

Tools and methods, and when we use them

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.

Quick comparison: facts and costs in Tabuk

Questions from Tabuk

What we advise against

• 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.