Floor & balcony waterproofing for residential buildings in Alqunfudhah

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

Floor & balcony waterproofing in Alqunfudhah: the local context

Team note on Alqunfudhah: 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 Alqunfudhah sits about 7 m above sea level (SRTM open elevation data).

Alqunfudhah is about 0.4 km from the sea coast (OpenStreetMap).

Alqunfudhah sits about 7 m above sea level, and its centre is roughly 0.4 km from the sea coast. Those two facts shape how water behaves here. A site this close to the shore and this low in elevation can hold moisture in the ground and in the air, so damp can rise into walls and slabs more readily than it would inland. For a homeowner, this means waterproofing is not a cosmetic task but a practical line of defence, and the service is planned around keeping moisture out of the structure from the start.

Because the coast is so near, sea air and salt-laden damp can accelerate wear on exposed surfaces such as balconies, roofs and external walls. The coating and membrane choices on residential jobs therefore focus on sealing joints and edges where salt and moisture collect. The modest elevation also means that rainwater and groundwater have fewer natural routes to drain away, so the work pays close attention to falls, drainage outlets and the junctions where water could pool. Each of these local conditions informs which system is recommended for a given floor, balcony or roof.

Owners in Alqunfudhah often avoid a few common mistakes. The first is treating waterproofing as a one-off purchase and ignoring the cost of the surfaces that need it: basement waterproofing typically falls in the SAR 50–150 per m² range, while liquid roof waterproofing is SAR 8–25 per m² and bitumen membrane SAR 15–35 per m², so comparing the right system for each area matters. The second is patching visible cracks without treating them properly; crack injection is priced at SAR 40–120 per metre, and a shallow surface fill rarely stops water travelling through. The third is choosing a cheap finish for a wet room, when bathroom waterproofing at SAR 15–40 per m² and epoxy coating at SAR 35–90 per m² each suit different conditions. Careful matching of system to location avoids these costly errors.

For a whole building, a survey of the shared systems comes before unit-by-unit work.

When do you need floor & balcony waterproofing?

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

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

The most common causes

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

Tools we use in Alqunfudhah

How the work is done, step by step

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 Alqunfudhah

Questions from Alqunfudhah

What we advise against

• 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.