Bathroom waterproofing for rest houses & farms in Al Qyrwan, Riyadh

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

Bathroom waterproofing in Al Qyrwan: the local context

The centre of Al Qyrwan is at 24.8794, 46.5626, about 21.7 km from the centre of Riyadh, with an approximate radius of 8 km. The approximate area shown on the map is centred here. The centre of Al Qyrwan sits about 692 m above sea level (SRTM open elevation data).

The nearest wadi channel is about 0.4 km from the centre of Al Qyrwan (OpenStreetMap). Main roads in or near Al Qyrwan: King Khalid Road, King Fahd Road, Prince Mohammed bin Saad bin Abdulaziz Road.

Bathroom leaks in rest houses and farms most often start behind the tiles, where water seeps into the wall and floor joints and goes unnoticed for months. On farm properties the usual culprits are shower areas that get heavy daily use, grouting that cracks as the building settles, and drains that are set into thin screeds. In Al Qyrwan, the centre sits about 692 m above sea level and about 21.7 km from the centre of Riyadh, within an approximate radius of 8 km. Where a property is built on a slope or near ground that holds moisture, a surface seal alone is not enough, so the work should begin with the wet zones and the joints around the drain.

The local setting shapes the method. The nearest wadi channel is about 0.4 km from the centre of Al Qyrwan, so rainfall can run off quickly and pool against low walls and external bathroom corners during heavy storms. For this reason, the waterproofing should cover the bathroom floor and the first section of the walls, and the junction with any outside wall should be sealed carefully. Bathroom waterproofing in this area is typically priced at SAR 15–40 per m², and an epoxy coating at SAR 35–95 per m² may suit wet rooms that see constant use. Where a crack runs through the floor or wall, crack injection at SAR 40–125 per metre is often the more practical route before any coating goes on.

Before the visit, ask the provider which materials they plan to use and why, and whether the price covers surface preparation, drain sealing and a test of the finished area. Ask how they will handle the joint between floor and wall, and whether they will check for moisture behind the tiles before starting. Confirm the area you want treated so the quote can be measured against the per-m² rates, and ask how long the room should be kept out of use afterwards. Clear answers at this stage usually lead to a more reliable result.

Rest houses and farms often have long buried lines, tanks and irrigation that need separate tests.

Signs that call for bathroom waterproofing

These are the signs most often linked to bathroom waterproofing:

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

The most common causes

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

How we choose the tool in Al Qyrwan

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 Qyrwan

Common questions about bathroom waterproofing in Al Qyrwan

What we advise against

• Waterproofing the floor while the supply pipe still leaks

The written outputs

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