Basement & foundation waterproofing for duplexes in Baqiq

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

What is specific about Baqiq for basement & foundation waterproofing

Team note on Baqiq: 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.. The centre of Baqiq sits about 83 m above sea level (SRTM open elevation data).

Main roads in or near Baqiq: King Fahd Road.

Does a duplex basement in Baqiq really need waterproofing, and what will it cost? The centre of Baqiq sits about 83 m above sea level (SRTM open elevation data), and the rest of the area is not at a single level, so water can move and collect differently from one plot to the next. For basements, the typical cost is SAR 50–150 per m², while crack injection, often the first fix for a leaking wall, is priced at SAR 40–120 per metre. Epoxy coating, which is often used on the inside of a damp basement, ranges from SAR 35–90 per m², and spray foam from SAR 20–45 per m². These figures help you compare options before choosing a method.

The inspection starts with a walk through the basement and the ground floor above it to find where moisture shows up, such as damp patches on walls, efflorescence on the concrete, or cracks that run along the wall or floor. The technician then measures the affected surface area in square metres and records the length of any cracks in metres, so that the quotation matches what is actually there. Where the basement wall meets the floor, or where a pipe passes through, the inspector checks closely, as these joints are common routes for water. Bathrooms above or beside the basement are also checked, since bathroom waterproofing is priced separately at SAR 15–40 per m² and a leak from above can look like a basement problem.

Before the visit, clear the basement walls and floor of stored items so the surfaces can be seen and measured. Note when you first saw damp or leaks and whether they appear after rain or in dry weather. If there is a water tank in the building, tell the inspector, as tank internal coating is priced at SAR 25–60 per m². Have the drawings or any previous repair records ready, and mention any earlier work on the roof or walls. With this information, the visit can focus on the real problem and produce a clear estimate for the duplex.

In a duplex, the two floors often share lines, so tests are done floor by floor.

When do you need basement & foundation waterproofing?

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

• Water seeping in after rain
• Damp basement walls
• Salt marks at the bottom of the walls

Where the problem usually comes from

• Cracks at construction joints.
• A common cause: rainwater draining towards the foundation.
• A common cause: a high groundwater level.

Tools we use in Baqiq

How the work is done, step by step

1. Finding the source: Groundwater, rain or a pipe — each needs a different treatment.
2. Preparation: Surfaces are cleaned and opened where needed.
3. Injection: Active cracks are injected.
4. Waterproofing layers: The system is applied on the right side of the wall where possible.
5. Follow-up: Readings are repeated after the treatment.

Baqiq in facts and sources

Questions from Baqiq

What we advise against

• Painting the basement wall while the water comes from outside

The written outputs

You receive: the source, the treatment and the follow-up result, in a technical report with a verification code.