Bitumen membrane for hotels & serviced apartments in Aldiriyah

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

What is specific about Aldiriyah for bitumen membrane

The centre of Aldiriyah sits about 655 m above sea level (SRTM open elevation data). Team note on Aldiriyah: 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..

Aldiriyah sits at the heart of the Riyadh region's growing hospitality corridor, and its centre lies about 655 m above sea level (SRTM open elevation data). That elevation shapes how water behaves on a property here: rainwater runs off rooftops and hard surfaces with real force during the occasional heavy storm, and it looks for any weak point in the building envelope. For hotels and serviced apartments, where guests expect dry rooms and clean corridors at all times, a well-applied bitumen membrane is a sensible first line of defence on roofs, podiums and other horizontal areas that take the brunt of runoff.

Each fact on the cost sheet links to a practical effect on the work. Bitumen membrane is priced at SAR 15–35 per m², which makes it one of the more economical systems for large roof and deck areas, so owners can budget the full surface rather than patching in small sections. Liquid roof waterproofing at SAR 8–25 per m² is a lower-cost option for light-use roofs, while basement waterproofing at SAR 50–150 per m² reflects the harder conditions below ground, where water pressure builds against the walls. Crack injection at SAR 40–120 per metre targets the specific joints and cracks that let water in, and XPS boards at SAR 12–30 per m² can be used as a protective and insulating layer over the membrane. Bathroom waterproofing at SAR 15–40 per m² and tank internal coating at SAR 25–60 per m² matter for guest bathrooms and water storage, where a leak is noticed straight away by guests and staff.

Owners in the area commonly avoid several mistakes. They do not skip the surface preparation, because a membrane laid over dust, damp or loose screed will fail early. They do not treat cracks as cosmetic and leave them unsealed before the membrane goes on. They do not pick the cheapest rate without checking the scope, since a low per-m² figure can hide missing detailing at upstands, drains and edges. They also avoid scheduling works during peak occupancy, so that rooms and corridors can be kept usable while the membrane cures. Planning these points early keeps the property running and the guests undisturbed.

For hotels and serviced apartments, rooms are handled in batches to keep units available.

Signs worth paying attention to

If you notice one of these signs in Aldiriyah, 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

• No protection layer — we check this before anything else.
• Seams that were not welded properly — we check this before anything else.

Tools and methods, and when we use them

How the work is done, step by step

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 — Aldiriyah

Common questions about bitumen membrane in Aldiriyah

Mistakes that cost more

• Leaving the membrane exposed without protection

What you get after the work

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