Floor & balcony waterproofing for apartments in Alnuayriyah

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

What is specific about Alnuayriyah for floor & balcony waterproofing

The centre of Alnuayriyah sits about 49 m above sea level (SRTM open elevation data). Main roads in or near Alnuayriyah: King Abdulaziz Road.

Team note on Alnuayriyah: 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..

An apartment owner in Alnuayriyah often notices damp patches on a balcony slab or a stain spreading across a bathroom ceiling below, and wonders whether the problem is small enough to ignore. Many owners in this situation have lived with minor leaks for years before calling anyone, only to find that water has travelled into the structure. The first step is simply to recognise that a floor or balcony is a waterproofed surface that needs regular attention, not a finish that lasts forever.

The local setting matters. The centre of Alnuayriyah sits about 49 m above sea level (SRTM open elevation data), which means the area is not a low-lying spot where surface water collects in the same way. For an owner, that points to rainwater running off the balcony and into the floor edges and drainage points as the more likely route for trouble, rather than water rising from below. Balcony and terrace surfaces therefore deserve close inspection at their joints, outlets and corners. Costs also vary by method. Liquid roof waterproofing is listed at SAR 8–25 per m², bitumen membrane at SAR 15–35 per m², and spray foam at SAR 20–45 per m², so the right choice depends on the surface and how exposed it is.

A practical sequence helps. First, mark every damp spot and crack, and check whether a crack needs injection, which is priced at SAR 40–120 per metre. Second, clear the surface and make sure drainage outlets are open so water is not left pooling. Third, select a system that suits the area: epoxy coating is listed at SAR 35–90 per m² and bathroom waterproofing at SAR 15–40 per m². Fourth, get written quotes that state the area in square metres and the rate for each method, so you can compare like with like. Finally, schedule a re-check after the first heavy rain to confirm the repair holds before you close the job.

In apartment buildings, the floor below is often where a leak shows first.

Signs that call for floor & balcony waterproofing

The following signs are worth checking before they grow:

• 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.
• Incorrect falls.
• A blocked drain — we check this before anything else.

How we choose the tool in Alnuayriyah

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 Alnuayriyah

Short answers for Alnuayriyah

Mistakes that cost more

• 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.