Water tank waterproofing for warehouses in Alula

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

What is specific about Alula for water tank waterproofing

Main roads in or near Alula: King Abdullah Road. The centre of Alula sits about 697 m above sea level (SRTM open elevation data).

Is a water tank on a warehouse roof in Alula worth waterproofing, and how do you know when it needs attention? The centre of Alula sits about 697 m above sea level, and that altitude is part of the local picture: the town's elevation shapes how water and storage systems are set up on higher ground. For a warehouse owner, the practical question is whether the tank's lining, joints and coatings are still holding water in. Tank internal coating is priced at SAR 25–60 per m², so the cost of renewing a worn lining can be measured against the cost of stock damage or leaks into the building below.

Before any work is quoted, the visit usually follows a set sequence. The inspector walks the full tank, checks the internal surfaces for blistering, peeling, and hairline cracks, and looks at joints and corners where movement tends to show first. Where cracks are found, crack injection is priced at SAR 40–120 per metre, so the length of each crack matters to the estimate. The roof area around the tank is also checked, since liquid roof waterproofing at SAR 8–25 per m² and bitumen membrane at SAR 15–35 per m² are often chosen for the surface that drains toward the tank. The inspection ends with a summary of which surfaces need coating, which need repair, and which are sound.

To make the visit efficient, gather the details that the inspector will ask for. Know the approximate internal size of the tank and the roof area around it, since epoxy coating (SAR 35–90 per m²) and spray foam (SAR 20–45 per m²) are measured by area. Note when the tank last had work done, and any past repairs or leaks you have seen. Make sure there is safe access to the tank and roof, with ladders and clear walkways in place. Clear the storage space below the tank where you can, so the building team can check for staining on ceilings and walls. Having these items ready lets the visit focus on the tank itself and gives you a clearer basis for comparing the options.

For warehouses, work is phased around operations and stored goods.

Signs worth paying attention to

If you notice one of these signs in Alula, it is a good moment to talk to the team:

• Unusual colour or taste in the water
• Deposits and flaking inside the tank
• A tank that leaks after testing

Where the problem usually comes from

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

Tools we use in Alula

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.

Alula in facts and sources

Common questions about water tank waterproofing in Alula

Mistakes that cost more

• Using a material that is not intended for drinking water

What you receive

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.