Floor & balcony waterproofing in Aljumum: preventive periodic check

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

What is specific about Aljumum for floor & balcony waterproofing

Team note on Aljumum: 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 Aljumum sits about 200 m above sea level (SRTM open elevation data).

Does a floor or balcony in Aljumum really need waterproofing if it looks dry? Often it does, because damage from water usually starts out of sight. The centre of Aljumum sits about 200 m above sea level (SRTM open elevation data), and that setting does not remove the need for protection. Surfaces still face rain, wash-down water and seepage through cracks and joints. For balconies and floors exposed to the weather, a preventive, periodic approach keeps small problems from turning into costly repairs. The pricing for the main systems is a useful place to start: liquid roof waterproofing runs SAR 8–25 per m², bitumen membrane SAR 15–35 per m², spray foam SAR 20–45 per m², and epoxy coating SAR 35–90 per m². Crack injection is priced at SAR 40–120 per metre, which shows why sealing small cracks early is usually the cheaper choice.

The inspection begins with a walk over the whole surface to look for cracks, hollow areas, worn sealant, ponding water and lifted edges. Each crack is marked and measured, and the drainage points are checked so that water can leave the surface. Balcony edges, wall junctions and drain outlets get particular attention, because these are where leaks most often start. The inspector then tests the surface for moisture and notes which areas show staining or softness. Based on what is found, a preventive plan is set out, separating simple sealing from areas that need a full membrane or coating. The aim of this stage is to identify the weak points before water reaches the structure, so that the work can be scheduled at the right time and at the right cost.

Before the visit, clear the balcony or floor of furniture, plant pots, and stored items so the full surface is accessible. Sweep away loose dirt and debris, and make sure drains and outlets are not blocked. If there have been past leaks, repairs, or previous coatings, note the approximate dates and locations, since this helps the inspector understand the history of the surface. Mark any areas where you have seen damp patches or cracks, and make a note of any rooms below the balcony that show stains. Keep access to the area open and let the team know if there is a particular concern you want checked. With these steps done, the inspection can focus on what matters and produce a clear, practical plan for periodic protection.

Preventive checks follow a written schedule instead of waiting for a fault.

Signs worth paying attention to

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

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

The most common causes

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

Tools we use in Aljumum

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.

Aljumum in facts and sources

Short answers for Aljumum

Common mistakes we see

• 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.