Floor & balcony waterproofing in Khobar: when to call a technician

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

Why floor & balcony waterproofing differs in Khobar

The centre of Khobar sits about 9 m above sea level (SRTM open elevation data). Khobar is about 1.8 km from the sea coast (OpenStreetMap).

Team note on Khobar: 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..

Khobar sits about 9 m above sea level, and the city is about 1.8 km from the sea coast. Both facts shape how water behaves on a floor or balcony here. At this height and distance, the ground is not low enough for water to pool at the surface, yet the coast is close enough that salty, humid air stays in the area and can speed up the wear of exposed coatings. For homeowners, this means the surface seal on a balcony or terrace needs to be checked regularly, because the damp air keeps the material under more stress than it would have inland.

Those conditions lead to a few practical points. Because the city is close to the coast, a technician will often look first at edges, joints and rails where salt and moisture collect. Because the ground is not at sea level, drainage outlets and falls on a terrace matter more than the ground beneath, since rain has to leave the surface quickly. Costs also vary by the type of work. Basement waterproofing is quoted at SAR 50–150 per m², bathroom waterproofing at SAR 15–40 per m², and epoxy coating at SAR 35–90 per m². Spray foam runs at SAR 20–45 per m², crack injection at SAR 40–120 per metre, and liquid roof waterproofing at SAR 10–25 per m². A bitumen membrane is SAR 15–35 per m², and XPS boards are SAR 10–30 per m². Choosing the right method for the exposed surface helps keep the job within the right range.

Owners often avoid several common mistakes by calling a technician early. They do not wait for a visible leak before inspecting, since moisture can travel under tiles before it shows on the surface. They do not cover a cracked slab with a new layer without first injecting and sealing the crack, because the new layer will fail along the same line. They also do not compare quotes only by the lowest price per m², because the cost of the wrong material is paid later. Asking for a clear scope, the material used and the area measured in m² helps you compare offers on equal terms.

Some signs can be watched for a few days; others need a technician straight away — the signs list above helps you decide.

Signs that call for floor & balcony waterproofing

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

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

Causes we see in the field

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

Tools we use in Khobar

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.

Facts and costs — Khobar

Short answers for Khobar

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.