Floor & balcony waterproofing in Yanbu: preventive periodic check

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

Why floor & balcony waterproofing differs in Yanbu

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

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

Floor and balcony waterproofing in Yanbu most often fails at the edges and joints rather than in the middle of a slab. Water tracks along hairline cracks where the balcony meets the wall, at drain outlets, and at the threshold where the floor steps down to the living area. Once moisture gets under the tiles, it can lift grout and stain the ceiling below before the homeowner sees any surface damage. A preventive periodic check looks at these weak points first, so small repairs such as crack injection, which is priced at SAR 40–120 per metre, can be handled before they grow.

Local conditions shape how we approach the job. The centre of Yanbu sits about 6 m above sea level, and the city is about 1.2 km from the sea coast. That means salt-laden air and a humid coastal climate are part of daily life, and these conditions tend to speed up the wear of sealants and coatings on exposed balconies. Because the ground is low and close to the coast, we pay particular attention to drainage paths and to whether water can pool against the wall line. Depending on the surface and the exposure, options range from liquid roof waterproofing at SAR 8–25 per m² to epoxy coating at SAR 35–90 per m², and the right choice depends on the slab condition and how much foot traffic it carries.

Before the visit, ask the provider to walk the balcony with you and point out where they expect water to enter, not only where the surface looks worn. Ask which system they propose and why, and whether the quote is per square metre or per metre of crack, so you can compare it with the ranges above. Confirm how they will protect the area below during the work and whether the drains will be checked and cleared. It also helps to ask how often they recommend a periodic check in a coastal setting, and to note any stains, damp patches or hollow-sounding tiles you have already seen, so the inspection starts where the problems are most likely to be.

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

When do you need floor & balcony waterproofing?

If you notice one of these signs in Yanbu, 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.
• A common cause: incorrect falls.
• A common cause: a blocked drain.

How we choose the tool in Yanbu

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.

Quick comparison: facts and costs in Yanbu

Common questions about floor & balcony waterproofing in Yanbu

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.