Water tank waterproofing in Al Swydy, Riyadh: before summer & rain season

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

Water tank waterproofing in Al Swydy: the local context

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 approximate area shown on the map is centred here. Al Swydy has both villas and apartment buildings.

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

The nearest wadi channel is about 0.2 km from the centre of Al Swydy (OpenStreetMap).

Is a water tank in Al Swydy worth waterproofing before the summer heat arrives? For many owners here, the answer depends on how the tank is built and how it has behaved over the past year. Al Swydy sits at 24.5912, 46.6730, about 13.6 km from the centre of Riyadh, and its centre is roughly 619 m above sea level. The area has both villas and apartment buildings, and many of them rely on rooftop or ground-level tanks that take the full force of the sun. The nearest wadi channel is about 0.2 km from the centre of Al Swydy, so rainwater runoff and dust can also reach tank areas, which is why a check before the hot months makes sense.

A visit usually begins with the tank's accessible surfaces, both internal and external. The inspector looks for hairline cracks, lifting or peeling coatings, damp patches on walls and slabs, and signs of past repairs that no longer hold. Where the tank sits on a roof, the surrounding roof area is checked for liquid roof waterproofing or bitumen membrane that has blistered or split. Any cracks found are measured, because injection work is priced per metre, and the inspector notes whether the interior needs a fresh tank coating or only spot repairs. The findings are then explained so the owner can choose between repair and full recoating before work starts.

To make the visit efficient, prepare access to the roof or tank cover and clear a safe working space around the tank. Note when the tank was last cleaned, drained or repaired, and any leaks you have noticed in the walls, ceilings or stairwells below. If the tank is inside a basement or bathroom area, make sure those rooms are reachable and that water supply to the tank can be shut off during the inspection. Having these details ready lets the team give you a clear scope and a realistic cost range in Saudi riyals before the summer season begins.

Checks before summer and before the rain season catch problems while they are still small.

When do you need 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

The most common causes

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

Tools and methods, and when we use them

From the first visit to the report

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.

Al Swydy in facts and sources

Short answers for Al Swydy

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.