Basement & foundation waterproofing for rest houses & farms in Qatif

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

What is specific about Qatif for basement & foundation waterproofing

Team note on Qatif: 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 Qatif sits about 5 m above sea level (SRTM open elevation data).

Qatif is about 2.5 km from the sea coast (OpenStreetMap).

Picture an owner of a rest house or farm in Qatif who has a storage room or basement level below the main living area. After a wet season, a damp patch appears on the lower wall, a faint smell creeps in, and stored items start to look tired. The owner wants to know whether the problem is a quick surface fix or something that needs a proper plan before the next rains and the summer heat dry out and reopen the same cracks.

The local facts matter here. The centre of Qatif sits about 5 m above sea level, and the town is about 2.5 km from the sea coast. Low ground and a short distance to the coast mean that the soil around a below-ground space can hold moisture, and the water table may be closer to the surface than owners expect. For a rest house or farm, this means waterproofing below ground should be treated as a structural job rather than a decorative one, and any crack should be assessed before the surface is painted over.

Start by walking the property after rain and marking every damp line, stain, and crack, noting where water enters and where it runs. Next, have the cracks checked and, where they are active, plan crack injection, priced at SAR 40–120 per metre. Then decide on the main barrier: basement waterproofing typically falls within SAR 50–150 per m², while a bitumen membrane sits at SAR 15–35 per m² and XPS boards at SAR 12–30 per m² where insulation is also wanted. Finally, protect any water tank or wet room with tank internal coating at SAR 25–60 per m², or epoxy coating at SAR 35–90 per m² where a hard, easy-clean finish suits the use. Keep the roof in the same plan, using liquid roof waterproofing at SAR 8–25 per m², so that water is not pushed down into the lower walls.

Rest houses and farms often have long buried lines, tanks and irrigation that need separate tests.

Signs that call for basement & foundation waterproofing

The following signs are worth checking before they grow:

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

Causes we see in the field

• A common cause: cracks at construction joints.
• Rainwater draining towards the foundation.
• A high groundwater level.

Tools we use in Qatif

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 — Qatif

Common questions about basement & foundation waterproofing in Qatif

Common mistakes we see

• Painting the basement wall while the water comes from outside

What you receive

You receive: the source, the treatment and the follow-up result, in a technical report with a verification code.