Roof waterproofing in Ahad Almasarihah: before buying or handover

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

What is specific about Ahad Almasarihah for roof waterproofing

Team note on Ahad Almasarihah: 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.. The centre of Ahad Almasarihah sits about 667 m above sea level (SRTM open elevation data).

The centre of Ahad Almasarihah sits about 667 m above sea level, which places it on higher ground than many coastal districts. For homeowners, that elevation matters because roofs here are exposed to a different mix of weather, with stronger sun in the day and cooler nights that cause surfaces to expand and contract. Our roof waterproofing work starts with this in mind, so the surface is prepared to move with the building rather than crack under repeated temperature change.

Each cost range in our price list reflects a practical choice. Liquid roof waterproofing is listed at SAR 8–25 per m², and bitumen membrane at SAR 15–35 per m², so owners can compare a lighter coating against a more substantial sheet system for the same roof area. Spray foam at SAR 20–45 per m² and XPS boards at SAR 12–30 per m² add insulation as well as protection, which can suit flat roofs that also carry heat. Where cracks are already visible, crack injection at SAR 40–120 per m is priced by the metre, so the team can seal only the affected lines rather than the whole surface. Epoxy coating at SAR 35–90 per m² is an option where a harder, smoother finish is wanted.

Before buying or handing over a property, owners do well to avoid several common mistakes. Do not accept a quote that covers only the visible area without checking the edges, parapets and drainage points, where leaks usually start. Do not assume an old membrane is still sound; ask for the surface to be inspected and any cracks measured before work begins. Do not compare prices per square metre alone, because preparation, repairs and the chosen system all change the final cost. Finally, avoid signing handover papers before the waterproofing scope, materials and work dates are written down, so the next owner knows exactly what was installed and where.

Before buying or taking over a property, an inspection gives you findings in writing before you sign.

Signs worth paying attention to

These are the signs most often linked to roof waterproofing:

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

Where the problem usually comes from

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

Tools we use in Ahad Almasarihah

From the first visit to the report

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.

Ahad Almasarihah in facts and sources

Questions from Ahad Almasarihah

Mistakes that cost more

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

What you receive

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