Water tank waterproofing for hotels & serviced apartments in Aldiriyah

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

What is specific about Aldiriyah for water tank waterproofing

The centre of Aldiriyah sits about 655 m above sea level (SRTM open elevation data). Team note on Aldiriyah: Kashf teams serve this city and its nearby districts with the same documented inspection standard: device-based leak detection without demolition, a written report, and a clear scope before any work begins..

Water tank waterproofing for hotels and serviced apartments in Aldiriyah starts with the location itself. The centre of Aldiriyah sits about 655 m above sea level (SRTM open elevation data), so the first check on any tank job is the elevation and the way water reaches the roof and the upper floors. Before any coating is chosen, the technician looks at the tank's access, its existing lining, and any signs of seepage on the walls and roof slab, because a site at this height often sees pressure and temperature swings that make weak joints show up sooner.

Several decisions are left for the site visit, because they depend on what is physically in front of the technician. The condition of the tank floor and walls, the width and depth of any cracks, and whether the old lining has lifted or failed will decide between a full internal coating and targeted repairs. Typical rates for internal tank coating run from SAR 25–60 per m², while crack injection is priced at SAR 40–120 per metre, so the length and location of cracks changes the cost picture a great deal. The technician also checks the roof and any adjacent bathrooms or basement areas that drain into the same system, since waterproofing in one zone can affect another. Options such as epoxy coating at SAR 35–90 per m², spray foam at SAR 20–45 per m², or a bitumen membrane at SAR 15–35 per m² are weighed only once the substrate is measured and dry.

To help the technician arrive prepared, the property manager should share the tank's dimensions, the age of any existing waterproofing, and a record of past leaks or repairs. Access hours for hotel or apartment guests should be agreed in advance, because tanks are often emptied and cleaned during quiet periods. Photographs of the tank interior, the roof access point, and any damp patches inside guest areas are useful. For roof sections, a note on whether liquid roof waterproofing at SAR 8–25 per m² or XPS boards at SAR 12–30 per m² is already in place will save time. Clear information at the start means the site visit can focus on the work itself, and residents and staff can plan around the day the job takes place.

For hotels and serviced apartments, rooms are handled in batches to keep units available.

Signs that call for water tank waterproofing

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.
• A common cause: damaged old coating.
• Cracks in the walls or floor.

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.

Aldiriyah in facts and sources

Questions from Aldiriyah

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.