Floor & balcony waterproofing in Khafji: for companies (annual contract)

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

Why floor & balcony waterproofing differs in Khafji

Main roads in or near Khafji: King Abdullah Road. Team note on Khafji: 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..

Khafji is about 2 km from the sea coast (OpenStreetMap). The centre of Khafji sits about 9 m above sea level (SRTM open elevation data).

Floor and balcony waterproofing for companies in Khafji most often starts with the same problem: water that gets under tiles or screed and then shows up as staining, blistering or cracked finishes on the surface below. On commercial floors and open balconies, this is usually a sign that the membrane has failed at joints, drains or upstands, so the job is rarely just a new coat on top. A proper assessment looks at where water is entering and how it is moving through the slab before any material is chosen.

The local setting shapes that approach. Khafji sits about 2 km from the sea coast, so the air carries salt and humidity that can speed up deterioration of exposed concrete and finishes, especially on balconies and external decks that take direct weather. The centre of Khafji is about 9 m above sea level, which means drainage gradients and outlet points need checking carefully, since water has to leave the surface rather than pool against the membrane. For companies, these factors favour systems chosen for the exposure, such as liquid-applied membranes for balconies and bitumen membrane or spray foam where the substrate and access allow.

Before the visit, it helps to have a few details ready: the floor or balcony area in square metres, whether the problem is on the surface, at the edges or in cracks, how long the leak has been noticed, and whether the area is in daily use. Ask the contractor to explain how they will test the existing substrate, how they will treat cracks and drains, and what the scope covers, including protection of adjacent finishes. Compare quotes on the same basis, with the rate per square metre or per metre of crack injection clearly stated, so the proposal reflects the actual work rather than a general estimate.

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

Signs worth paying attention to

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

• Damp under the light well
• A wrong fall towards the door threshold
• Water passing from the balcony to the floor below

Causes we see in the field

• A blocked drain.
• Incorrect falls — we check this before anything else.
• A threshold without waterproofing — we check this before anything else.

Tools we use in Khafji

From the first visit to the report

1. Checking the falls: Where water collects and where it should go.
2. Details: Thresholds, drains and upstands.
3. Waterproofing: The layer is applied and protected.
4. Flood test: Tested before the finish goes on.

Khafji in facts and sources

Questions from Khafji

Mistakes that cost more

• Tiling a balcony without waterproofing

The written outputs

You receive: the flood result and photos of the details, in a technical report with a verification code.