Roof waterproofing for apartments in Afif

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

What is specific about Afif for roof waterproofing

The centre of Afif sits about 1040 m above sea level (SRTM open elevation data). Main roads in or near Afif: King Abdulaziz Road, King Faisal Road, Airport Road.

Team note on Afif: 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..

Afif sits at the centre of a high, dry plateau in the Najd region, and the centre of town lies about 1040 m above sea level (SRTM open elevation data). That altitude means apartment blocks here face a climate of strong sun by day, cool nights, and only occasional heavy rain. Roofs take the full force of summer heat, which makes the roof surface expand and contract every day, and the surface is where most trouble begins.

For roof waterproofing, this altitude has direct practical effects. Liquid roof waterproofing, priced at SAR 8–25 per m², is a common choice here because it forms a seamless layer that can flex with daily temperature swings. Bitumen membrane, at SAR 15–35 per m², is also used, and it suits roofs that need a tougher, sheet-based barrier. XPS boards, at SAR 12–30 per m², can be added to insulate the roof so the living space below stays cooler through the hot months. Because the rain that does fall can come in short, heavy bursts, drainage outlets and roof edges must be cleared and sealed so water runs away quickly rather than pooling on the surface.

Owners in Afif often make the same few mistakes, and avoiding them saves money over time. The first is painting over an old coating without cleaning it or treating cracks, which traps moisture and lets the new layer peel. The second is ignoring small cracks around parapets and pipe penetrations, where crack injection at SAR 40–120 per metre can stop leaks before they spread. The third is treating the roof as a one-off job and never inspecting it after the first hot season. A simple check each year, especially after the summer heat and the first winter rains, keeps a sound roof sound.

In an apartment, a problem may start in your unit or in a shared line; we separate the two before any work.

Signs that call for roof waterproofing

If you notice one of these signs in Afif, it is a good moment to talk to the team:

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

The most common causes

• A common cause: damaged waterproofing around tank and AC bases.
• Wrong falls towards the drains.
• Cracks in the roof slab — we check this before anything else.

Tools and methods, and when we use them

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.

Facts and costs — Afif

Common questions about roof waterproofing in Afif

Common mistakes we see

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

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.