Basement & foundation waterproofing in Afif: cost & published offers

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

Before we start: what we know about Afif

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).

Basement and foundation leaks are the most common problem we see with this property type. Water tends to find its way through hairline cracks in the wall and along the joint where the floor meets the wall, and it often shows up only after a heavy rain or a long wet season. Early signs include damp patches, efflorescence (white salt deposits) on the concrete, a musty smell, and peeling paint near the base of the walls. Because the damage hides behind finishes and stored items, many owners do not notice it until the problem has spread.

Afif sits at about 1040 m above sea level, and that elevation shapes how we approach the job. Sites at this height can see sharp temperature swings between day and night, which encourages the expansion and contraction that opens cracks in concrete over time. For that reason the first step is usually to inspect and seal any cracks before a full surface system is applied. Crack injection is priced per metre, typically SAR 40–120 per m, so it is useful to know the total crack length before comparing quotes. Where the whole basement wall is affected, basement waterproofing is priced per m², typically SAR 50–150 per m², and the chosen system should suit the condition of the substrate rather than a default product.

Before the visit, ask the provider a few clear questions. Ask how they will locate the source of the water, since surface treatment alone will not fix a leak coming from behind the wall. Ask which system they propose and why, and whether the price is per m² or per metre, so you can compare like with like. Ask whether bathroom, tank or roof work is included if those areas are connected to the basement problem. Finally, ask what preparation you need to do, such as clearing stored items from the walls, so the inspection can be completed in one visit.

Prices shown on this page come from our own published price list for the city; the final price is set after inspection.

When do you need basement & foundation waterproofing?

The following signs are worth checking before they grow:

• Water seeping in after rain
• Salt marks at the bottom of the walls
• Damp basement walls

The most common causes

• Cracks at construction joints — we check this before anything else.
• A common cause: a high groundwater level.
• A common cause: rainwater draining towards the foundation.

Tools and methods, and when we use them

How the work is done, step by step

1. Finding the source: Groundwater, rain or a pipe — each needs a different treatment.
2. Preparation: Surfaces are cleaned and opened where needed.
3. Injection: Active cracks are injected.
4. Waterproofing layers: The system is applied on the right side of the wall where possible.
5. Follow-up: Readings are repeated after the treatment.

Facts and costs — Afif

Short answers for Afif

Mistakes that cost more

• Painting the basement wall while the water comes from outside

The written outputs

The written output: the source, the treatment and the follow-up result. The report is numbered and can be checked with its verification code.