Bitumen membrane in Sabya: cost & published offers

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

Bitumen membrane in Sabya: the local context

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

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

Sabya sits at roughly 40 metres above sea level, and it lies about 16.7 km inland from the coast. For a bitumen membrane job, those two facts shape the first checks. A site at this height and distance is not usually exposed to the same salt-laden air as a coastal property, so the technician will look first at the surface condition rather than at corrosion from the sea. The checklist starts with the roof or deck: whether the existing membrane is lifting, blistered, or split, and whether ponding water is sitting on the surface after rain. Those signs tell the crew how much of the old layer needs to come off before new bitumen can bond.

Several points are left for the site visit, because they cannot be judged from a distance. The technician will measure the true area in square metres, since the bitumen membrane rate is quoted per square metre at SAR 15–35 per m², and the final figure depends on the measured surface and any upstands, drains, or edges. They will also check the substrate for moisture, cracks, and slope, and decide whether a crack needs separate treatment, which is quoted per metre at SAR 40–120 per m. Access, parapets, and the condition of the surrounding walls are also assessed on site and can change the scope.

The information below helps the technician plan the visit. Note the roof size, the number of floors above the roof, whether the area is walkable, and any earlier waterproofing work and its age. If the space is a water tank or basement rather than a roof, say so, because those use different published ranges, such as tank internal coating at SAR 25–60 per m² and basement waterproofing at SAR 50–150 per m². Photos of leaks, stains, and the existing surface are useful. Clear details at the start make the quote closer to what the work will actually involve.

Prices shown on this page come from our own published price list for the city; the final price is set after inspection.

When do you need bitumen membrane?

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

• A flat concrete roof that needs waterproofing
• Old rolls that are cracking

The most common causes

• A common cause: no protection layer.
• Seams that were not welded properly — we check this before anything else.

Tools we use in Sabya

The steps in order

1. Preparation: Cleaning, priming and repairs.
2. Torch welding: Overlaps are welded and checked.
3. Details: Upstands, drains and bases.
4. Protection and flood test: Protection is laid after a successful flood test.

Facts and costs — Sabya

Common questions about bitumen membrane in Sabya

Common mistakes we see

• Leaving the membrane exposed without protection

The written outputs

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