Floor & balcony waterproofing for offices & commercial complexes in Qatif

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

Before we start: what we know about Qatif

Qatif is about 2.5 km from the sea coast (OpenStreetMap). The centre of Qatif sits about 5 m above sea level (SRTM open elevation data).

Team note on Qatif: 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..

Floor and balcony waterproofing for offices and commercial complexes in Qatif starts with the location itself. The centre of Qatif sits about 5 m above sea level (SRTM open elevation data), and the town is about 2.5 km from the sea coast (OpenStreetMap). Because the ground is low and close to the coast, the first thing a technician checks is how water moves across and beneath the slab: where it pools, where it drains, and whether any surface falls back towards the building rather than away from it. Balconies and common floors in commercial complexes receive heavy foot traffic and equipment loads, so the checks also cover existing screeds, joints and the edges where the membrane meets walls and drains.

Some points can only be settled on the site visit. The technician will look at the substrate condition, the age and type of any existing coating, the extent of cracking, and the slope of the floor. They will confirm which system suits the area, whether that is a liquid membrane, a bitumen membrane, an epoxy finish or spray foam for certain surfaces, and whether any crack injection is needed before coating. Access, working hours in an occupied office block, and the position of tenants' fittings are also assessed on site, since these affect the sequence of work and the protection needed for the floors below.

To help the technician prepare, it is useful to have the building plans or floor layouts, a record of any previous waterproofing or repairs, and a note of any recurring leaks, damp patches or staining. Please mention whether the space is occupied during the day, and tell us where the water appears after rain or cleaning. Information about the age of the building and the kind of finish already in place also helps. Indicative rates for the main systems are listed on our price pages, and the site visit confirms which items apply to your premises. Clear notes on these points allow the technician to plan the work accurately and reduce surprises once the job begins.

For offices and commercial complexes, work is scheduled to avoid disrupting staff and visitors.

When do you need floor & balcony waterproofing?

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

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

Causes we see in the field

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

Tools we use in Qatif

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.

Qatif in facts and sources

Questions from Qatif

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.