Roof waterproofing in Al Swydy, Riyadh: emergency

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

Before we start: what we know about Al Swydy

The centre of Al Swydy is at 24.5912, 46.6730, about 13.6 km from the centre of Riyadh, with an approximate radius of 3.2 km. The approximate area shown on the map is centred here. The centre of Al Swydy sits about 619 m above sea level (SRTM open elevation data).

Al Swydy has both villas and apartment buildings. The nearest wadi channel is about 0.2 km from the centre of Al Swydy (OpenStreetMap).

Main roads in or near Al Swydy: Southern Ring Road, Al Suwaidi Tunnel, Al Suwaidi General Road.

When roof leaks reach an emergency stage in Al Swydy, the most common problem is water finding its way through cracked or worn roof surfaces and running down into living spaces below. Villas and apartment buildings both face this, and the first step is usually to stop the water getting in while the wider repair is planned. Crack injection, priced at SAR 40–125 per m, is often the quickest way to seal a single problem line, while liquid roof waterproofing at SAR 10–25 per m² can cover larger roof areas once the surface is cleaned and prepared.

Al Swydy sits at about 619 m above sea level, and its centre lies roughly 13.6 km from the centre of Riyadh, within an approximate radius of 3.2 km. The nearest wadi channel is about 0.2 km from the centre, so rainwater run-off and flow near the area can be heavier than on a sheltered site. That local setting is why the approach should focus on keeping water moving away from the roof and out of the building. Where a roof is flat and takes repeated water loading, bitumen membrane at SAR 15–35 per m² is a common option to consider alongside liquid coatings. For buildings with both villas and apartment blocks nearby, the choice of system should match how each roof drains and where the water would otherwise travel.

Before the visit, ask the provider to confirm the roof type, its area in m², and where the leak appears to start, because these details decide which method and price range apply. Ask whether the quote is based on per m² or per metre rates, and what is included in each line. Find out how the team plans to protect rooms below during the work and whether any basement or tank areas are also affected, since basement waterproofing (SAR 55–160 per m²) and tank internal coating (SAR 25–65 per m²) are priced separately. Finally, ask how they will check the drainage around the roof edges, given how close the wadi channel lies to the centre of Al Swydy.

If water is flowing, close the main valve first, then call or message with photos.

Signs that call for roof waterproofing

The following signs are worth checking before they grow:

• Water pooling on the roof
• Stains on the top-floor ceiling after rain
• The old waterproofing is cracking

Causes we see in the field

• Wrong falls towards the drains — we check this before anything else.
• A common cause: damaged waterproofing around tank and AC bases.
• Cracks in the roof slab.

Tools we use in Al Swydy

From the first visit to the report

1. Survey: Falls, drains and the condition of the old layer are recorded.
2. Preparation: Cleaning and repairs before any new layer.
3. Primer: The base coat that the system needs.
4. Waterproofing layers and details: Corners, upstands and bases get their own detail.
5. Flood test: The roof is flooded and checked before it is covered.

Facts and costs — Al Swydy

Common questions about roof waterproofing in Al Swydy

What we advise against

• Ignoring the tank bases
• Covering the waterproofing before the flood test

What you receive

The written output: a quality record with photos and the flood-test result. The report is numbered and can be checked with its verification code.