Bathroom waterproofing for schools in Sharurah

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

What is specific about Sharurah for bathroom waterproofing

Main roads in or near Sharurah: King Abdulaziz Road, King Fahd Road. The centre of Sharurah sits about 724 m above sea level (SRTM open elevation data).

Team note on Sharurah: 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..

Sharurah sits in the south-west of Saudi Arabia, and the centre of the town lies about 724 m above sea level. That height matters for bathroom work in schools. At this elevation, the surrounding terrain and seasonal shifts in temperature can affect how sealants and coatings cure, so crews plan their work around the conditions on site rather than working to a fixed schedule. Owners in Sharurah should expect the installer to check the substrate and the weather before any membrane goes down.

Each fact connects to a practical effect on the job. Because the centre is roughly 724 m above sea level, the surfaces in school washrooms are checked for moisture and dust before application, and the chosen system is matched to the local climate. Bathroom waterproofing is priced at SAR 15–40 per m², which reflects the floor and wall preparation, the number of wet areas, and the access needed inside an occupied school. Epoxy coating, at SAR 35–90 per m², suits high-traffic floors that must be cleaned often, while spray foam at SAR 20–45 per m² and liquid roof waterproofing at SAR 8–25 per m² are used where the building shape or roof exposure calls for them. Crack injection, priced at SAR 40–120 per metre, is used when hairline cracks in walls or floors let water through. Tank internal coating at SAR 25–60 per m² applies where water storage is part of the school's supply, and XPS boards at SAR 12–30 per m² provide insulation behind finished surfaces.

Owners in Sharurah often avoid several common mistakes. They do not accept a coating applied over damp or dusty surfaces, since this causes early peeling. They do not compare quotes by the lowest rate alone, because bitumen membrane at SAR 15–35 per m² or any other system only performs when the detailing at drains, pipe penetrations and wall junctions is done properly. They do not leave the work unplanned during term time, which exposes students and staff to fumes and noise. Finally, they do not skip a final water test, which shows leaks before the washrooms return to daily use.

For schools, the larger jobs are planned for weekends and holidays.

When do you need bathroom waterproofing?

These are the signs most often linked to bathroom waterproofing:

• Damp around the shower
• A stain under the bathroom on the floor below
• Worn grout

The most common causes

• A damaged floor layer.
• Corners without waterproofing tape — we check this before anything else.
• The area around the floor drain — we check this before anything else.

Tools and methods, and when we use them

How the work is done, step by step

1. Finding the source: A supply-pipe leak is ruled out first.
2. Preparation: The floor is opened and cleaned where needed.
3. Corners and details: Tape and detailing at corners, drains and pipe entries.
4. Flood test: The floor is tested before tiling.

Quick comparison: facts and costs in Sharurah

Questions from Sharurah

Mistakes that cost more

• Waterproofing the floor while the supply pipe still leaks

The written outputs

You receive: the flood-test result and photos of each stage, in a technical report with a verification code.