Water tank waterproofing in Al Swydy, Riyadh: cost & published offers

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

Why water tank waterproofing differs in Al Swydy

The centre of Al Swydy is at 24.5912, 46.6730, about 13.6 km from the centre of Riyadh, with an approximate radius of 3.2 km. The service-area circle on the map below is drawn from this point. The nearest wadi channel is about 0.2 km from the centre of Al Swydy (OpenStreetMap).

Main roads in or near Al Swydy: Southern Ring Road, Al Suwaidi Tunnel, Al Suwaidi General Road. The centre of Al Swydy sits about 619 m above sea level (SRTM open elevation data).

Al Swydy has both villas and apartment buildings.

Consider a homeowner in Al Swydy, Riyadh, who lives in a villa or an apartment building and notices damp patches on a bathroom wall, a stain on the ceiling after rain, or a rooftop water tank that seems to leak. This is a common concern, and the choice of waterproofing method usually depends on where the problem sits and how big the affected area is. Before any work begins, it helps to know what the typical cost ranges are, so that quotes can be compared on a like-for-like basis.

The local facts shape that decision. Al Swydy has both villas and apartment buildings, so properties vary widely in age, roof layout and shared responsibilities. The area sits at about 619 m above sea level and is roughly 13.6 km from the centre of Riyadh, and its centre lies at 24.5912, 46.6730. The nearest wadi channel is about 0.2 km from the centre, which means that seasonal water flow and runoff are worth considering when choosing protection for basements, ground-level walls and tank bases. For a water tank, the internal condition matters as much as the outside, because a tank that is never properly sealed can contaminate stored water and lose volume through cracks.

A sensible sequence starts with inspection. Identify whether the damage is a rooftop issue, a bathroom wall, a basement or a tank, and mark every crack or damp area. Next, choose the method that suits the surface: liquid roof waterproofing and bitumen membrane for roofs, bathroom waterproofing for wet rooms, crack injection for narrow fractures, and tank internal coating for the storage vessel. Then request itemised quotes in square metres or metres, using the published ranges as a reference point, such as SAR 10–25 per m² for liquid roof waterproofing or SAR 25–65 per m² for tank internal coating. Finally, confirm the preparation work, drying time and warranty terms in writing before work starts, and schedule a check after the first heavy rain.

Prices shown on this page come from our own published price list for the city; the final price is set after inspection.

Signs worth paying attention to

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

Causes we see in the field

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

How we choose the tool in Al Swydy

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.

Facts and costs — Al Swydy

Short answers for Al Swydy

Common mistakes we see

• 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.