Water tank waterproofing for hotels & serviced apartments in Alrass

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

What is specific about Alrass for water tank waterproofing

Main roads in or near Alrass: King Abdulaziz Road, King Fahd Road, King Salman Road. The centre of Alrass sits about 695 m above sea level (SRTM open elevation data).

Team note on Alrass: 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..

The centre of Alrass sits about 695 m above sea level, according to SRTM open elevation data. For a water tank waterproofing service serving hotels and serviced apartments, this altitude shapes the work in practical ways. Rooftop tanks here are exposed to strong sun and a dry climate, so coatings must handle heat expansion and UV without cracking or chalking. Crews plan their schedules around the hottest hours, because surfaces that are too warm can prevent a coating from curing properly and shorten its life.

Each feature of the setting links to a clear effect on the job. Because the centre is at 695 m, owners should expect a dry, sun-heavy environment that favours robust roof-level protection. The price ranges in our rate list also guide planning: tank internal coating runs SAR 25–60 per m², liquid roof waterproofing SAR 8–25 per m², and bitumen membrane SAR 15–35 per m². A serviced apartment building with a large roof and a single storage tank may find the roof and tank work together, while a hotel with several basement levels will need basement waterproofing at SAR 50–150 per m², reflecting the greater effort of working below ground. Crack injection, priced at SAR 40–120 per metre, is often the first step where older tanks show leaks at joints.

Owners who plan well tend to avoid a few common mistakes. They do not skip surface preparation, since coatings bonded to dusty or damp concrete peel early. They do not choose a cheap finish without checking how it will handle the heat of a high, sunny roof. They do not leave cracks unsealed before coating, and they do not treat the tank interior as an afterthought, because a tank that is repaired outside but left porous inside will keep losing water. Comparing per-square-metre rates in advance, and asking for a clear description of prep and materials, helps keep the scope honest and the result durable.

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:

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

The most common causes

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

How we choose the tool in Alrass

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.

Alrass in facts and sources

Common questions about water tank waterproofing in Alrass

Mistakes that cost more

• 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.