Bitumen membrane for warehouses in Alula
In short: In Alula (Alula), bitumen membrane for warehouses begins with the roof, falls and drains survey and the flood test; nothing is opened until the position is clear. The centre of Alula sits about 697 m above sea level (SRTM open elevation data). Pricing starts from Bitumen membrane (per m²) (SAR 15–35 per m²), and other items are quoted after the visit.
What is specific about Alula for bitumen membrane
Main roads in or near Alula: King Abdullah Road. The centre of Alula sits about 697 m above sea level (SRTM open elevation data).
Is a bitumen membrane the right choice for a warehouse roof in Alula, and what will it cost? Bitumen membrane for warehouses in Alula typically falls in the range of SAR 15–35 per m², which is a useful starting point when comparing it with other roof options such as liquid roof waterproofing at SAR 8–25 per m². Alula sits about 697 m above sea level, so a large open roof area is exposed to strong sun and wide temperature swings, and that exposure is one reason owners should compare materials carefully before committing to a system.
The inspection usually begins with a walk across the full roof to look for blistering, lifted laps, cracks and ponding water, followed by a check of the edges, parapets and drainage outlets where leaks most often start. The technician will note the condition of the existing surface and mark any areas that need repair before new work is quoted. Where cracks are present, crack injection is priced separately at SAR 40–120 per metre, so the inspection record should show the length of each crack. The report then sets out the recommended area, the material and the expected cost band, giving the owner a clear basis for decisions.
Before the visit, gather any previous roof reports, invoices and warranty papers, and note when leaks have appeared and where water has been seen inside the building. Clear access to the roof, including the ladder or stair route and any roof hatch, saves time on the day. It also helps to measure the roof area in square metres, because the cost bands above are quoted per m², and to tell the inspector about any rooftop equipment, skylights or stored items that must be moved. With this information ready, the inspection can focus on what matters and give you a realistic estimate for your warehouse.
For warehouses, work is phased around operations and stored goods.
When do you need bitumen membrane?
The following signs are worth checking before they grow:
- Old rolls that are cracking
- A flat concrete roof that needs waterproofing
Where the problem usually comes from
- Seams that were not welded properly — we check this before anything else.
- No protection layer — we check this before anything else.
Tools and methods, and when we use them
| Tool | What it finds | When we use it in Alula |
|---|---|---|
| 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 |
How the work is done, step by step
- 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.
Facts and costs — Alula
| Item | Value | Source |
|---|---|---|
| District profile | The centre of Alula sits about 697 m above sea level (SRTM open elevation data) | SRTM (NASA) open data |
| Roads | Main roads in or near Alula: King Abdullah Road | Kashf data (owner) |
| Bitumen membrane (per m²) | SAR 15–35 per m² | Owner price list (Alula) |
Short answers for Alula
What is the first step of bitumen membrane for warehouses?
We start with preparation (cleaning, priming and repairs), then torch welding (overlaps are welded and checked).
How much does bitumen membrane cost in Alula?
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.
Common mistakes we see
- Leaving the membrane exposed without protection
What you get after the work
You receive: photos of the welds and the flood-test result, in a technical report with a verification code.
Practical notes for residents of Alula
- 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
- Kashf data (owner)
- Owner price list for Alula
- 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