Water tank waterproofing in Taif: for companies (annual contract)

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

Why water tank waterproofing differs in Taif

Team note on Taif: 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 Taif sits about 1673 m above sea level (SRTM open elevation data).

For a company on an annual contract in Taif, the first thing we check is the elevation. The centre of Taif sits about 1673 m above sea level (SRTM open elevation data), which means the air is cooler and drier than in Jeddah or Riyadh, and that daily temperature swings can be sharp. Those swings affect how coatings expand, contract and cure, so we look at the tank's exposure to sun and wind before choosing a system. Next we confirm whether the work is a tank internal coating, which is priced at SAR 25–55 per m², or an external finish on the tank shell, since the two need different surface preparation and materials.

Some points are left to the site visit, because they cannot be judged from a desk. The technician should inspect the tank walls, floor, joints and any cracks, and measure the area in square metres so the job can be priced within the agreed range. Where cracks are present, the crack length is measured in metres, and crack injection is quoted at SAR 40–115 per metre. The condition of the existing lining, whether it is peeling, blistered or stained, decides whether it must be removed first. The technician also checks access, drainage around the tank, and whether the water supply can be shut off safely during the works.

Information that helps the technician includes a clear record of the tank's size, its material, the water it holds and how often it is drained and refilled. Any earlier repairs, leaks or previous coating products should be written down, because they affect adhesion. If the same tank setup is used across several sites under the annual contract, a simple site log with photographs and measurements will let the technician compare conditions from one visit to the next. Good records keep the work consistent across the contract and make each follow-up visit faster and more accurate.

For companies, an annual contract sets the scope, the visit schedule and the reports in writing.

When do you need water tank waterproofing?

The following signs are worth checking before they grow:

• 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

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

Tools we use in Taif

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.

Facts and costs — Taif

Short answers for Taif

What we advise against

• 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.