Water tank waterproofing in Alqunfudhah: without breaking

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

Why water tank waterproofing differs in Alqunfudhah

The centre of Alqunfudhah sits about 7 m above sea level (SRTM open elevation data). Alqunfudhah is about 0.4 km from the sea coast (OpenStreetMap).

Team note on Alqunfudhah: 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 Alqunfudhah starts with the location itself. The centre of Alqunfudhah sits about 7 m above sea level (SRTM open elevation data), and the town is about 0.4 km from the sea coast (OpenStreetMap). That combination of low elevation and close proximity to the coast means the technician should look first at how the tank sits, how its walls meet the base, and whether there are signs that salty or humid air has been working on the surfaces over time. Before any material is chosen, the first checks are the tank's external and internal condition, the condition of its joints and corners, and any sign that water has been moving through hairline cracks rather than sitting on the surface.

Several decisions are left to the site visit, because they depend on what the technician finds in person. The actual size and shape of the tank, the thickness of the walls, the state of the existing lining, and whether the tank is above ground or partly buried all change the approach. Pricing also depends on measured areas: the technician confirms the surface in square metres or the length of cracks in metres before quoting. Typical reference ranges exist for different materials, such as tank internal coating at SAR 25–60 per m², epoxy coating at SAR 35–90 per m², and crack injection at SAR 40–120 per metre, but the final choice of system is made on site after the surfaces are read. Access, water supply and how long the tank can stay empty are also confirmed there.

To help the technician prepare, residents should note when leaks were first noticed, whether the water tastes or smells changed, and whether the tank has been cleaned or repaired before. Clear access to the tank lid, ladder and roof area saves time. Keeping the tank's age, any earlier invoices and photos of the damage ready gives the technician a clearer starting point. Please mention if the tank supplies drinking water, because that affects which products are suitable. The more accurate the background, the faster the technician can move from inspection to a sound, measured plan.

The aim is to locate the cause with instruments first, so any opening is limited to one point.

Signs that call for water tank waterproofing

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

• 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.
• Cracks in the walls or floor.
• Construction joints — we check this before anything else.

Tools we use in Alqunfudhah

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 — Alqunfudhah

Questions from Alqunfudhah

What we advise against

• Using a material that is not intended for drinking water

The written outputs

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.