Floor & balcony waterproofing in Unaizah: with a verifiable technical report

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

Before we start: what we know about Unaizah

The centre of Unaizah sits about 667 m above sea level (SRTM open elevation data). Team note on Unaizah: 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..

Does a damp patch on a balcony slab or a tile floor in Unaizah mean the whole surface needs replacing? Usually not, and the facts for this page help explain why. The centre of Unaizah sits about 667 m above sea level (SRTM open elevation data), and that setting shapes how water behaves on rooftops and balconies here. Floor and balcony waterproofing is priced per square metre, and the range depends on the system chosen. Epoxy coating runs SAR 35–85 per m², spray foam SAR 20–45 per m², and bitumen membrane SAR 15–35 per m². Where a leak shows up as a narrow line rather than a wide stain, crack injection is priced separately at SAR 40–115 per metre. Knowing which of these applies is the first step before any work starts.

The inspection begins with a walk over the balcony or floor to identify where water is entering and how far the damage extends. The technician checks for hairline or structural cracks, tests whether the surface is holding moisture, and notes the drainage slope and any low spots where water pools. Measurements are taken so the area can be stated in square metres, which is how the work is quoted. For a linear crack, the length is measured in metres. Where a balcony meets a wall or a floor edge, the junction is inspected closely, because that is a common route for water. The output of the inspection is a clear picture of the area, the defect type and the system that fits, so the owner can compare options against the ranges above without guesswork.

Before the visit, gather a few details that make the inspection faster and the estimate more accurate. Note where you first saw moisture, when it appears (after rain, or constantly), and whether the problem sits above a living space. Clear loose items, plants and furniture from the balcony or floor so the surface can be reached and measured. If you have earlier invoices or notes about previous repairs, keep them to hand. Let the technician know if the area is accessible from above, since a roof or upper balcony can affect the work. Having these facts ready lets the visit focus on the floor itself and gives you a firm basis for choosing the right waterproofing system.

Each job ends with a written report that carries a verification code you can check on our site.

Signs worth paying attention to

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

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

Where the problem usually comes from

• A blocked drain.
• A threshold without waterproofing.
• A common cause: incorrect falls.

Tools and methods, and when we use them

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.

Facts and costs — Unaizah

Common questions about floor & balcony waterproofing in Unaizah

What we advise against

• Tiling a balcony without waterproofing

What you get after the work

The written output: the flood result and photos of the details. The report is numbered and can be checked with its verification code.