Water tank waterproofing in Aldawadmi: before summer & rain season

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

What is specific about Aldawadmi for water tank waterproofing

Main roads in or near Aldawadmi: King Abdulaziz Road, Dawadmi Bujadiyah Road. The centre of Aldawadmi sits about 976 m above sea level (SRTM open elevation data).

Team note on Aldawadmi: 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..

Is it worth waterproofing a water tank in Aldawadmi before the summer heat or the rain season arrives? For most owners the answer depends on how the tank is built and how much it costs to fix a leak later. Aldawadmi's centre sits about 976 m above sea level, according to SRTM open elevation data, so the town is noticeably higher than the surrounding lowlands. Tanks here are exposed to strong sun during the hot months and to sudden rain when the season turns, and both conditions stress the joints, cracks and coatings that keep water where it belongs. Tank internal coating is priced at SAR 25–60 per m², which is a modest sum compared with the cost of replacing a damaged tank or repairing a leaking floor below it.

The inspection starts with a walk around the outside and a close look at the inside, if the tank can be safely opened. The technician checks for hairline cracks, flaking or blistered coating, and staining that shows where water has been seeping through. Crack injection, priced at SAR 40–120 per metre, is often the first repair when a crack runs along a wall or seam. Where the surface is widely worn, the inspector measures the affected area so that a full quote can be given per square metre, using rates such as epoxy coating at SAR 35–90 per m² or spray foam at SAR 20–45 per m². The aim is to match the material to the damage rather than apply one treatment everywhere.

Before the visit, empty the tank as far as practical and make sure the area around it is clear, with room for ladders and equipment. Note any past leaks, the date of the last repair and any damp patches you have seen on nearby walls, since these details help the inspector find the source faster. Confirm access to the roof or the tank lid and let the technician know whether the water supply must stay on or can be shut off during work. Having these points ready means the inspection is quicker and the quote reflects the real condition of the tank.

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

Signs worth paying attention to

The following signs are worth checking before they grow:

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

Causes we see in the field

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

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.

Quick comparison: facts and costs in Aldawadmi

Common questions about water tank waterproofing in Aldawadmi

Mistakes that cost more

• Using a material that is not intended for drinking water

What you receive

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