Water tank waterproofing for restaurants in Al Wzarat, Riyadh

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

Why water tank waterproofing differs in Al Wzarat

The centre of Al Wzarat is at 24.6769, 46.7135, about 5.6 km from the centre of Riyadh, with an approximate radius of 1.6 km. The service-area circle on the map below is drawn from this point. The centre of Al Wzarat sits about 602 m above sea level (SRTM open elevation data).

Main roads in or near Al Wzarat: Makkah Road, King Saud Road, Prince Abdulaziz bin Musaed bin Jalawi Road.

Is it worth checking a restaurant's water tank for leaks before problems reach the kitchen? For property owners in Al Wzarat, the answer is yes. The centre of Al Wzarat sits at 24.6769, 46.7135, about 5.6 km from the centre of Riyadh, with an approximate radius of 1.6 km, and it lies about 602 m above sea level. Restaurants here depend on steady water for cooking, washing and cleaning, so a tank that seeps or cracks can disrupt service quickly. Tank internal coating is priced at SAR 25–65 per m², which gives owners a clear basis for comparing the cost of protecting the tank against the cost of repairing damage later.

The inspection begins with a walk around the tank and its connecting pipes to look for damp patches, staining, flaking coatings or active cracks. The technician then checks the inside of the tank, where any failed lining or hairline cracks are marked for repair. Where cracks are found, crack injection is quoted at SAR 40–125 per metre, and the surfaces are measured so the recommended coating can be priced. Tank internal coating is the usual finish, and epoxy coating, priced at SAR 35–95 per m², is considered where the interior needs a harder surface. If the tank sits on a roof or within a plant area, liquid roof waterproofing at SAR 10–25 per m² or a bitumen membrane at SAR 15–35 per m² may also be part of the review. Each step is recorded so the owner sees exactly which surfaces need work.

Before the visit, the owner should gather the tank's location, its approximate dimensions and any earlier repair records, and tell the technician which areas of the restaurant have shown leaks or damp. Access matters: the inside of the tank must be reachable, the water supply should be planned around the work, and the roof or plant area should be cleared. Having a note of when staining or low water pressure was first noticed also helps narrow down the cause. With these details ready, the inspection can move straight to the tank and the restaurant can plan its service around the work with less disruption.

For restaurants, visits are planned outside service hours and recorded for the premises file.

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

The most common causes

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

How we choose the tool in Al Wzarat

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 Al Wzarat

Short answers for Al Wzarat

What we advise against

• 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.