Bitumen membrane in Jubail: cost & published offers
In short: In Jubail (Jubail), bitumen membrane (cost & published offers) begins with the roof, falls and drains survey and the flood test; nothing is opened until the position is clear. Jubail is about 0.9 km from the sea coast (OpenStreetMap). Published price: Bitumen membrane (per m²), SAR 15–35 per m²; anything else is quoted after the inspection.
Bitumen membrane in Jubail: the local context
Team note on Jubail: 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.. Jubail is about 0.9 km from the sea coast (OpenStreetMap).
The centre of Jubail sits about 4 m above sea level (SRTM open elevation data).
Bitumen membrane is one of the most widely used roof and below-ground waterproofing systems in Jubail, and the most common problem we see with it is blistering and lifting of the sheet where trapped moisture or poor priming stops the membrane bonding fully to the substrate. Once water gets under the membrane, it can travel along the surface and appear as leaks well away from the original fault. For homes and small commercial buildings, bitumen membrane sits at a published rate of SAR 15–35 per m², so a clear, well-prepared installation matters more than the price alone.
Jubail's location shapes how this work should be approached. The centre of the city sits about 4 m above sea level, and it is about 0.9 km from the coast. That closeness to the sea means roofs and surfaces are exposed to salt-laden air and damp conditions, which can affect adhesion and speed up deterioration of exposed edges. Good surface preparation, dry substrate checks and careful sealing of laps, upstands and drainage outlets are especially important here. Where a roof is also insulated, XPS boards priced at SAR 12–30 per m² may be part of the wider scope, and the membrane should be detailed so that any moisture movement is managed rather than trapped.
Before the visit, ask the provider a few direct questions. Ask whether they will inspect the existing surface for moisture and previous repairs, and whether the quote covers priming, the number of layers and the treatment of edges and drains. Ask what area their figure is based on and whether it includes removal of old material. Request that the scope be written out, so you can compare it against the published SAR 15–35 per m² range. A clear written scope protects you, and it makes the difference between a membrane that performs for years and one that starts to lift within a season.
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 Jubail, it is a good moment to talk to the team:
- Old rolls that are cracking
- A flat concrete roof that needs waterproofing
The most common causes
- Seams that were not welded properly.
- No protection layer.
How we choose the tool in Jubail
| Tool | What it finds | When we use it in Jubail |
|---|---|---|
| Flood test | Whether the waterproofing holds before it is covered | Limits: for roofs with drains and wet areas before tiling |
| Roof, falls and drains survey | Ponding areas and the condition of the old layer | Limits: shows the condition, not the material alone |
From the first visit to the report
- Preparation: Cleaning, priming and repairs.
- Torch welding: Overlaps are welded and checked.
- Details: Upstands, drains and bases.
- Protection and flood test: Protection is laid after a successful flood test.
Quick comparison: facts and costs in Jubail
| Item | Value | Source |
|---|---|---|
| District profile | Team note on Jubail: 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. | Kashf team |
| District profile | The centre of Jubail sits about 4 m above sea level (SRTM open elevation data) | SRTM (NASA) open data |
| District profile | Jubail is about 0.9 km from the sea coast (OpenStreetMap) | © OpenStreetMap contributors (ODbL) |
| Bitumen membrane (per m²) | SAR 15–35 per m² | Owner price list (Jubail) |
Common questions about bitumen membrane in Jubail
What is the first step of bitumen membrane (cost & published offers)?
We start with preparation (cleaning, priming and repairs), then torch welding (overlaps are welded and checked).
How much does bitumen membrane cost in Jubail?
From our published price list: Bitumen membrane (per m²) SAR 15–35 per m². Quantities are confirmed at the inspection.
What do I get at the end?
Photos of the welds and the flood-test result, in a technical report that carries a verification code.
What we advise against
- 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.
If you live in Jubail and are new to the area
- The Saudi weekend is Friday and Saturday; mention your preferred day and time when booking.
- You can message us on WhatsApp in English; the booking details are sent back to you in the chat to confirm before the visit.
- If you rent, tell your landlord or building management before the visit and agree in writing who pays; the written report can be shared with them.
- Keep photos of the problem and of any earlier repairs — they help the technician compare before and after.
Sources and method
- SRTM (NASA) open data
- © OpenStreetMap contributors (ODbL)
- Kashf team
- Owner price list for Jubail
- Local pages are published only after a quality gate: real local facts, text similarity of no more than 15% with any other English page, and a claims check.
- النسخة العربية