Bitumen membrane for warehouses in Taif

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

Before we start: what we know about Taif

The centre of Taif sits about 1673 m above sea level (SRTM open elevation data). Team note on Taif: 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..

Taif sits about 1673 m above sea level, which is high enough that the cooler nights and wider day-to-night temperature swings matter for a bitumen membrane on a warehouse roof. Before any price is discussed, the first thing checked here is the roof itself: its slope, the state of the existing surface, and whether any ponding water sits after rain. Bitumen membrane for warehouses is priced at SAR 15–35 per m², and that range is only meaningful once the roof's condition is known. The membrane needs a sound, clean substrate to bond to, so the technician looks at loose material, old coatings, and the condition of drainage outlets before measuring the area.

Several things are left to the site visit, because they cannot be judged from a desk. The technician will walk the full roof to find cracks, blisters, and joints that may need separate treatment, since crack injection is billed at SAR 40–115 per metre and sits outside the membrane area. They will confirm the real usable area, allowing for upstands, parapets, skylights, and plant fixtures, and will check access for materials and for the crew. The position of the warehouse relative to prevailing winds and any overhanging surfaces that drain onto the roof will also be noted, since these affect how the membrane edges are finished.

To help the technician prepare, it is useful to have the building's age, any previous waterproofing records, and a note of where leaks have appeared inside the warehouse. Photographs of the roof and any stored goods that are sensitive to moisture are helpful, as are the warehouse opening hours so work can be scheduled around deliveries. Tell the technician whether the roof is accessible by a fixed ladder or needs a lift, and whether any part of the roof is used for equipment that must stay in place. With this information in hand, the technician can arrive ready to measure, inspect, and quote for the specific roof rather than a generic one.

For warehouses, work is phased around operations and stored goods.

Signs that call for bitumen membrane

If you notice one of these signs in Taif, 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.

How we choose the tool in Taif

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 — Taif

Questions from Taif

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.