Floor & balcony waterproofing in Qatif: preventive periodic check

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

What is specific about Qatif for floor & balcony waterproofing

Qatif is about 2.5 km from the sea coast (OpenStreetMap). The centre of Qatif sits about 5 m above sea level (SRTM open elevation data).

Team note on Qatif: 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..

Qatif sits about 5 m above sea level, and its centre is roughly 2.5 km from the sea coast. That combination means the town is low-lying and close enough to the shore for salt-laden air and humidity to be a steady part of daily life. For floors and balconies, this matters because moisture does not simply evaporate away. It tends to linger in slabs, edges and joints, and it can work its way into the concrete over time. A preventive periodic check is designed to catch that early, while the damage is still small and cheap to address.

Each local condition translates into a practical point for the service. Because the centre sits only about 5 m above sea level, water that enters a balcony edge or a floor junction has fewer natural routes to drain away, so drainage outlets and slopes are examined closely during every visit. Because the coast is about 2.5 km away, the air carries salt and humidity that can attack exposed surfaces and metal fixings, which is why the inspection pays attention to the condition of coatings and the first signs of surface breakdown. Owners who want a clear picture of costs can use the published ranges as a guide: liquid roof waterproofing is SAR 8–25 per m², bitumen membrane is SAR 15–35 per m², epoxy coating is SAR 35–90 per m², and crack injection is SAR 40–120 per m. The final figure always depends on the surface and its condition, so the check is the step that turns these ranges into an actual scope.

Several mistakes are common among owners in this situation, and the periodic check helps avoid them. The most frequent is waiting for a visible leak before acting, by which time the moisture has often spread beyond the first patch. Another is treating a hairline crack as cosmetic when it is a route for water, which is why crack injection is priced per metre and assessed early. Owners also sometimes choose a coating without considering the balcony's exposure or the drainage around it, so the materials are matched to the site rather than picked by habit. Finally, many delay the check until the next repaint, missing the window when a small repair is still simple. Regular inspection keeps these problems visible and manageable.

Preventive checks follow a written schedule instead of waiting for a fault.

Signs worth paying attention to

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

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

Causes we see in the field

• A common cause: incorrect falls.
• A threshold without waterproofing.
• A blocked drain.

Tools and methods, and when we use them

The steps in order

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.

Quick comparison: facts and costs in Qatif

Short answers for Qatif

Mistakes that cost more

• Tiling a balcony without waterproofing

The written outputs

The written output: the flood result and photos of the details. The report is numbered and can be checked with its verification code.