Bathroom waterproofing for apartments in Al Wzarat, Riyadh

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

Why bathroom waterproofing differs in Al Wzarat

The centre of Al Wzarat is at 24.6769, 46.7135, about 5.6 km from the centre of Riyadh, with an approximate radius of 1.6 km. The approximate area shown on the map is centred here. The centre of Al Wzarat sits about 602 m above sea level (SRTM open elevation data).

Main roads in or near Al Wzarat: Makkah Road, King Saud Road, Prince Abdulaziz bin Musaed bin Jalawi Road.

Is it worth waterproofing a bathroom in an apartment in Al Wzarat before water damage shows up in the ceiling below? For most owners the answer starts with the place itself. Al Wzarat's centre sits at 24.6769, 46.7135, about 5.6 km from the centre of Riyadh, within an approximate radius of 1.6 km, and it lies about 602 m above sea level. Bathroom waterproofing is priced at SAR 15–40 per m², so the cost of sealing a typical wet area is modest compared with repairing damage to neighbouring flats and finishes. Costs for related works, such as epoxy coating at SAR 35–95 per m² or spray foam at SAR 20–45 per m², can help you compare options before you decide.

Once you book a visit, the technician will begin by looking at the existing tiles, grout lines, floor falls toward the drain, and the junction between the floor and walls. Any hairline cracks are noted, and where they run along joints or corners they may be treated with crack injection, priced at SAR 40–125 per metre. The inspection also checks the drain and the wall sections around the shower and tub, since these are the most common routes for water to travel. Based on what is found, the technician explains which system suits the room, whether that is a liquid membrane, a sheet membrane, or a coating, and gives you the measured area so the quote reflects the actual work.

Before the visit, clear the bathroom floor and walls as much as you can so the technician can reach the edges and drain. Note any past leaks, stains on the ceiling below, or areas where the tiles sound hollow when tapped, and share these with the technician, as they guide the inspection. Have a rough measurement of the floor and wall area ready, and confirm access to the flat and any common areas needed for the work. Keeping the bathroom usable is easier to plan when you know in advance which day the work will start.

In apartment buildings, the floor below is often where a leak shows first.

When do you need bathroom waterproofing?

These are the signs most often linked to bathroom waterproofing:

• Worn grout
• A stain under the bathroom on the floor below
• Damp around the shower

Where the problem usually comes from

• A common cause: the area around the floor drain.
• Corners without waterproofing tape.
• A damaged floor layer — we check this before anything else.

Tools we use in Al Wzarat

How the work is done, step by step

1. Finding the source: A supply-pipe leak is ruled out first.
2. Preparation: The floor is opened and cleaned where needed.
3. Corners and details: Tape and detailing at corners, drains and pipe entries.
4. Flood test: The floor is tested before tiling.

Facts and costs — Al Wzarat

Questions from Al Wzarat

What we advise against

• Waterproofing the floor while the supply pipe still leaks

What you receive

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