Roof waterproofing in Afif: preventive periodic check

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

What is specific about Afif for roof waterproofing

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.. Main roads in or near Afif: King Abdulaziz Road, King Faisal Road, Airport Road.

The centre of Afif sits about 1040 m above sea level (SRTM open elevation data).

Afif sits at the centre of the Najd plateau, with the town centre about 1040 m above sea level (SRTM open elevation data). Homes here face a dry, high-altitude climate where roofs take strong sun by day and cool quickly at night, so the roof surface is in constant thermal movement. That movement is what gradually opens hairline cracks and lifts the surface film over time, which is why a preventive periodic check matters more than a repair after leaks appear.

Because the town stands at this height, a roof inspection here focuses on the surface itself: looking for splits, lifted edges around parapets and drain outlets, and any ponding after rain. Liquid roof waterproofing, priced at SAR 8–25 per m², is the usual choice for flat roofs that need a seamless, flexible skin, while a bitumen membrane at SAR 15–35 per m² suits roofs that need a heavier, layered barrier. Where a crack has already formed, crack injection at SAR 40–120 per metre seals the line before water can track into the slab. Insulation boards such as XPS, at SAR 12–30 per m², can be added where heat gain through the roof is a concern. Each option is quoted by area or length, so the first step is a measured survey of the roof.

Owners in Afif commonly make a few avoidable errors. Many wait until a stain appears on a ceiling before calling anyone, by which point water has already reached the structure. Others apply a new coating over a dirty or dusty surface, which stops it bonding and causes early peeling. Some skip the drains and outlets, even though standing water collects there first and tests every joint. Finally, owners often compare only the lowest per-m² price, overlooking the preparation work and the thickness of material that decide how long the protection lasts. A scheduled check each year keeps small defects small and the roof dry.

Preventive checks follow a written schedule instead of waiting for a fault.

Signs that call for roof waterproofing

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

The most common causes

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

Tools we use in Afif

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.

Afif in facts and sources

Common questions about roof waterproofing in Afif

Common mistakes we see

• 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.