Roof waterproofing for hotels & serviced apartments in Samtah

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

What is specific about Samtah for roof waterproofing

Main roads in or near Samtah: Al-Turshiyah and Al-Najmiyah Road, Samtah. Team note on Samtah: 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..

Samtah is about 22.6 km from the sea coast (OpenStreetMap). The centre of Samtah sits about 61 m above sea level (SRTM open elevation data).

Roof waterproofing work in Samtah starts with the elevation and location. The centre of Samtah sits about 61 m above sea level, and the town is about 22.6 km from the sea coast. Because of this inland position, the first things a technician looks at are the roof's drainage falls, outlets, and the condition of existing coatings, rather than salt-related corrosion of the kind more common on the immediate coastline. Water that collects on flat hotel and serviced apartment roofs has to be moved off quickly, so ponding areas and blocked outlets are checked before any product is chosen.

Several items are left to the site visit, because they depend on the building itself and cannot be judged from the outside. These include the age and type of the existing waterproofing layer, whether it is bonded or loose, the extent of any blistering, and whether there are cracks in the roof slab or upstands that would need crack injection, which is priced per metre at SAR 40–120 per m. The technician will also confirm whether a liquid roof system at SAR 8–25 per m², a bitumen membrane at SAR 15–35 per m², or insulation boards such as XPS at SAR 12–30 per m² suit the roof load, access, and the way the roof is used, including any plant, tanks, or rooftop areas guests can reach. The choice between these options is made on site, not from a price list.

To help the technician prepare, it is useful to have the building's roof plan, the number of floors and the approximate roof area, any previous waterproofing records, and a note of where leaks have appeared inside rooms or corridors. Information about roof-mounted water tanks is also helpful, since tank internal coating is priced at SAR 25–60 per m² and may be needed alongside the roof work. Access arrangements matter too, particularly for hotels and serviced apartments where guests and staff must be kept clear of the work area. Sharing these details before the visit lets the technician plan the inspection properly and gives you a clearer picture of what the work will involve.

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

Signs worth paying attention to

The following signs are worth checking before they grow:

• The old waterproofing is cracking
• Water pooling on the roof
• Stains on the top-floor ceiling after rain

Causes we see in the field

• Cracks in the roof slab.
• A common cause: wrong falls towards the drains.
• Damaged waterproofing around tank and AC bases.

How we choose the tool in Samtah

The steps in order

1. Survey: Falls, drains and the condition of the old layer are recorded.
2. Preparation: Cleaning and repairs before any new layer.
3. Primer: The base coat that the system needs.
4. Waterproofing layers and details: Corners, upstands and bases get their own detail.
5. Flood test: The roof is flooded and checked before it is covered.

Quick comparison: facts and costs in Samtah

Questions from Samtah

Common mistakes we see

• Ignoring the tank bases
• Covering the waterproofing before the flood test

What you get after the work

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