Floor & balcony waterproofing for residential buildings in Aldiriyah

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

What is specific about Aldiriyah for floor & balcony waterproofing

Team note on Aldiriyah: 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 Aldiriyah sits about 655 m above sea level (SRTM open elevation data).

Floor and balcony waterproofing in residential buildings in Aldiriyah most often fails at the joints, where the floor slab meets a wall, a drain or a balcony threshold. Water finds these weak points first, and the damage usually shows up as staining or soft plaster on the floor below rather than as a visible leak above. Small cracks in balcony tiles and failed sealant around drains are the usual starting points, so a good job begins with those details rather than with the open floor area.

The site's elevation shapes how we approach the work. The centre of Aldiriyah sits about 655 m above sea level (SRTM open elevation data), so buildings here deal with a different rain and drainage pattern than low-lying plots. Falls on balconies and roofs need to be checked so that water runs off rather than pooling against the membrane. Because the ground and structure may move slightly over time, flexible systems that can bridge small cracks are often a better fit than rigid coatings alone. Costs for common options in the area are set out below for comparison: liquid roof waterproofing runs from SAR 8–25 per m², bitumen membrane from SAR 15–35 per m², epoxy coating from SAR 35–90 per m², spray foam from SAR 20–45 per m², and crack injection from SAR 40–120 per metre. Bathroom waterproofing sits at SAR 15–40 per m², and XPS boards at SAR 12–30 per m².

Before the visit, ask the provider which system they propose for your floor or balcony and why it suits your slab and exposure. Ask how they will prepare the surface and treat the joints and drains, and whether the quote covers crack injection or only the open area. Request a written breakdown of the measured area in square metres and the rate applied to each part. Ask who will inspect the falls and outlets after the work and how the old surface will be removed. Clear answers to these questions will tell you far more about the quality of the job than the price alone.

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

Signs that call for floor & balcony waterproofing

These are the signs most often linked to floor & balcony waterproofing:

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

Causes we see in the field

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

Tools we use in Aldiriyah

The steps in order

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.

Facts and costs — Aldiriyah

Short answers for Aldiriyah

What we advise against

• 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.