Floor & balcony waterproofing for rest houses & farms in Alzulfi

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

What is specific about Alzulfi for floor & balcony waterproofing

Team note on Alzulfi: 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 Alzulfi sits about 615 m above sea level (SRTM open elevation data).

Main roads in or near Alzulfi: King Fahd Road, Sheikh Ibn Baz Square, King Salman Road.

The centre of Alzulfi sits about 615 m above sea level (SRTM open elevation data), which gives the town a cooler, drier feel than the lowlands but still a real sun load on open roofs and balconies. For rest houses and farms, that height means long hours of direct heat by day and sharp temperature drops at night. Those swings make the surface expand and contract, so the practical effect is that sealants and membranes must tolerate movement, not just water. Our team checks the roof and balcony slopes for standing water and sets the membrane thickness with this heat cycle in mind.

Each service we offer reflects how these surfaces actually behave. Liquid roof waterproofing, priced at SAR 8–25 per m², suits large, open rest-house roofs where a seamless skin avoids the joints that heat tends to open. Bitumen membrane, at SAR 15–35 per m², is used where a heavier, long-lasting layer is needed over farm buildings. Spray foam, at SAR 20–45 per m², can insulate and seal irregular shapes, while XPS boards at SAR 12–30 per m² add thermal protection under finishes. Crack injection, at SAR 40–120 per metre, is the answer when a hairline split appears from ground movement or heat stress. Epoxy coating, at SAR 35–90 per m², protects floors and balcony surfaces that take foot traffic, and bathroom waterproofing at SAR 15–40 per m² keeps wet areas dry. Basement waterproofing, at SAR 50–150 per m², and tank internal coating, at SAR 25–60 per m², complete the range for properties that store water or have below-ground rooms.

Owners often avoid costly repairs by steering clear of a few common mistakes. The first is sealing a roof without first clearing standing water and loose dust, which stops any coating from bonding. The second is choosing a rigid finish for a surface that moves with the temperature, so it cracks within a season. The third is ignoring small cracks until water finds a path into the structure. The fourth is treating balconies and roofs as one job, when drainage and traffic demand different materials. Planning the work around the site's height and heat from the start prevents most of these problems.

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

Signs that call for floor & balcony waterproofing

These are the signs most often linked to floor & balcony waterproofing:

• Damp under the light well
• Water passing from the balcony to the floor below
• A wrong fall towards the door threshold

Where the problem usually comes from

• A blocked drain — we check this before anything else.
• A threshold without waterproofing.
• A common cause: incorrect falls.

How we choose the tool in Alzulfi

How the work is done, step by step

1. Checking the falls: Where water collects and where it should go.
2. Details: Thresholds, drains and upstands.
3. Waterproofing: The layer is applied and protected.
4. Flood test: Tested before the finish goes on.

Alzulfi in facts and sources

Common questions about floor & balcony waterproofing in Alzulfi

What we advise against

• Tiling a balcony without waterproofing

The written outputs

The written output: the flood result and photos of the details. The report is numbered and can be checked with its verification code.