Water tank waterproofing in Al Yasmyn, Riyadh: when to call a technician

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

What is specific about Al Yasmyn for water tank waterproofing

The centre of Al Yasmyn is at 24.8169, 46.6361, about 12.2 km from the centre of Riyadh, with an approximate radius of 3.7 km. The approximate area shown on the map is centred here. The nearest wadi channel is about 2.1 km from the centre of Al Yasmyn (OpenStreetMap).

Main roads in or near Al Yasmyn: King Fahd Road, King Salman Road, Anas bin Malik Street. The centre of Al Yasmyn sits about 655 m above sea level (SRTM open elevation data).

Al Yasmyn has both villas and apartment buildings.

Picture a homeowner in Al Yasmyn who has noticed a damp patch on the wall beside the rooftop water tank, or who hears the pump running more often than usual. Maybe the household is a family in a villa, or an owner whose building has several flats sharing one tank. Either way, the tank is out of sight, so the first sign of trouble is often a stain, a smell, or a drop in water pressure rather than a visible leak. Waiting for a dramatic failure usually means more repair work later.

The local facts shape how much attention the tank deserves. Al Yasmyn sits at about 655 m above sea level, roughly 12.2 km from the centre of Riyadh, and both villas and apartment buildings are common here, so tanks serve many different layouts and loads. The nearest wadi channel is about 2.1 km from the centre, which is a reminder that rain can arrive in short, heavy bursts and that roof surfaces and tank lids are exposed to it. Tank internal coating is priced at SAR 25–65 per m², while liquid roof waterproofing is SAR 10–25 per m² and bitumen membrane is SAR 15–35 per m². Knowing these ranges helps an owner see that fixing a small problem early costs far less than replacing a damaged surface later.

Start by checking the tank and the wall beneath it for staining, flaking coating, or cracks, and note whether the water level drops faster than normal. Next, arrange for a qualified inspector to measure the affected areas so you receive a quote based on square metres or linear metres of crack, which is how the ranges above are applied. Ask for the work to be described clearly, including whether the tank interior, the roof around it, or both are included. Before work begins, empty and clean the tank as the contractor directs, and keep the drainage route clear. Finally, once the repair is finished, record the date and scope in your home file and schedule a simple check every year so any new damp patch is caught while it is still small.

Some signs can be watched for a few days; others need a technician straight away — the signs list above helps you decide.

When do you need water tank waterproofing?

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

• 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 — we check this before anything else.
• 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.

Al Yasmyn in facts and sources

Questions from Al Yasmyn

Common mistakes we see

• Using a material that is not intended for drinking water

What you get after the work

You receive: the material name, its batch number and the fill-test result, in a technical report with a verification code.