Basement & foundation waterproofing for rest houses & farms in Arar

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

What is specific about Arar for basement & foundation waterproofing

The centre of Arar sits about 553 m above sea level (SRTM open elevation data).

An owner of a rest house or farm in Arar often has a basement store, a ground-floor room or a below-grade tank that gets little attention until water shows up. A typical case is a family that uses the property on weekends and holidays, leaving it empty for long stretches. Rain runs toward the lower walls, moisture creeps into the concrete, and by the time there is a stain or a smell, the problem has been building for a while. Arar sits about 553 m above sea level, which means the land is not a low basin, but water still finds the weakest point of any below-ground structure, especially where cracks have formed in the slab or walls.

For an owner in this situation, the local facts point to a clear priority. Basement waterproofing is priced at SAR 50–150 per m², so the work is a real investment and is worth planning carefully rather than patching in a hurry. Crack injection at SAR 40–120 per metre is often the first thing to check, because a single open crack can admit more water than a whole wall that is merely damp. Roof areas on farm buildings can be sealed with liquid waterproofing at SAR 8–25 per m², and any water tanks on the property can be lined internally at SAR 25–60 per m². Knowing these ranges helps the owner compare quotes and decide which areas need attention first.

A sensible order of work begins with inspection. Walk the basement and the lower walls after rain, mark every damp patch and crack, and note where water collects on the floor. Next, repair the cracks by injection before anything else, since sealing the surface over an open crack only hides the leak. Then choose the membrane or coating for the walls and floor, such as bitumen membrane at SAR 15–35 per m² or epoxy coating at SAR 35–90 per m², based on how much water pressure the structure faces. Treat the roof and any tanks in the same pass if they are part of the same project. Finally, leave the surfaces to cure fully before storing anything, and inspect again after the first heavy rain so any missed area can be corrected while the work is still under the original scope.

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:

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

The most common causes

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

Tools and methods, and when we use them

From the first visit to the report

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 — Arar

Short answers for Arar

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.