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

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

Floor & balcony waterproofing in Yanbu: the local context

Main roads in or near Yanbu: King Abdulaziz Road, Umluj Road, Al Hanan Street. Team note on Yanbu: 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..

Yanbu is about 1.2 km from the sea coast (OpenStreetMap). The centre of Yanbu sits about 6 m above sea level (SRTM open elevation data).

Picture a company that runs an office or small warehouse in Yanbu and owns the building it trades from. Its floors and balcony slabs take the weather head-on, and the manager only notices a problem when a stain spreads across the ceiling below or when a tenant complains about damp near the balcony door. By then the water has usually been finding its way in for months, so the owner ends up paying for repairs that could have been avoided with a timely inspection.

The local facts explain why this matters. The centre of Yanbu sits about 6 m above sea level, so the town is low-lying, and the sea coast is only about 1.2 km away. Salty, humid air and wind-driven rain are part of daily life here, which means surfaces need to shed and resist water rather than simply look sealed. For a company, that also means planning the work as an operating cost: a steady maintenance schedule is easier to budget than an emergency call after a leak has damaged stock or equipment.

Practical steps start with a walk-through of every floor slab and balcony, marking cracks, ponding spots, and any places where the old coating has lifted. Next, match the system to the surface. Liquid roof waterproofing suits open roof areas, while a bitumen membrane is often used where a more robust layer is needed beneath tiles or screeds. Cracks should be treated first, using crack injection priced per metre, before any coating goes on. Once the surface is prepared, apply the chosen system, and where insulation is part of the upgrade, XPS boards can be added beneath the finish. Ask for a written scope listing each area, the method, and the rate used, so the company can compare quotes on a like-for-like basis. Finish by recording the work and scheduling a check after the first rainy season.

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

When do you need floor & balcony waterproofing?

The following signs are worth checking before they grow:

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

Where the problem usually comes from

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

Tools we use in Yanbu

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.

Facts and costs — Yanbu

Questions from Yanbu

Common mistakes we see

• 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.