Floor & balcony waterproofing for restaurants in Sabya

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

Floor & balcony waterproofing in Sabya: the local context

Sabya is about 16.7 km from the sea coast (OpenStreetMap). The centre of Sabya sits about 40 m above sea level (SRTM open elevation data).

Main roads in or near Sabya: King Fahd Road, King Abdulaziz Road, King Abdullah bin Abdulaziz Road. Team note on Sabya: 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..

Restaurant floors and balconies in Sabya are most often let down by water that gets under the tiles and stays there. Kitchens, wash areas and dining floors are wet every day, and grease, cleaning chemicals and heavy foot traffic wear down surfaces faster than in a home. Balconies and terraces suffer when rainwater pools against a poor edge or a cracked joint and seeps into the slab below, leaving stains on the ceiling of the room under it. Left alone, this turns a simple repair into a larger job that can affect the structure and close the space for days.

Sabya sits at about 40 m above sea level, and it is roughly 16.7 km from the sea coast. That means the site is not directly exposed to the salt-laden air of the shoreline, but it is still a dry inland town where sudden heavy downpours can run off hard surfaces quickly and gather where drainage is weak. For a restaurant, the practical approach is to focus on the drainage fall, the floor-to-wall junctions and any cracks in the screed, and to choose a system that suits daily wet use. Liquid roof waterproofing, bitumen membrane and epoxy coating are options that are often considered for these areas, and the right choice depends on whether the surface is walked on, sees hot food spills, or simply needs protection from rain. Crack injection is priced per metre, so the length of visible cracks helps determine the scope before any materials are chosen.

Before the visit, ask the provider to confirm the exact area in square metres for each floor or balcony and the length of any cracks. Ask whether the price quoted covers surface preparation, removal of old tiles, and drainage correction, since these steps change the final cost more than the coating itself. Ask what the floor will be used for, how many hours a day it is wet, and whether the kitchen or dining area must stay open during work. Request a clear written scope that lists each system used, its unit price, and how long the area should be kept out of service afterward.

For restaurants, visits are planned outside service hours and recorded for the premises file.

Signs worth paying attention to

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

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

The most common causes

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

Tools and methods, and when we use them

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 — Sabya

Questions from Sabya

Common mistakes we see

• Tiling a balcony without waterproofing

What you get after the work

You receive: the flood result and photos of the details, in a technical report with a verification code.