Water tank waterproofing in Al Najmah, Jeddah

Al Najmah is a new district within the Jawharat Al Arous scheme in north Jeddah, surrounded by building sites and vacant plots destined for future villas. Rooftop tanks here are exposed to continuous construction dust and fine particles from cleared ground and incomplete streets.

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Interior surfaces fully sealed
Food-safe coating materials
Cracks and gaps filled first
Inspected before handover

Why tank waterproofing protects your water supply

The district sits on former desert ground being subdivided and developed. Wide modern streets are laid out over graded earth, and most completed homes are adjacent to bare land, active building sites, or streets not yet finished.

Seal before a leak develops

Hairline cracks in Al Najmah tanks fill with pale construction dust daily; waterproofing prevents this dust from entering and accumulating.
Repair an existing slow drip

Algae colonise tanks contaminated by clay and dust; waterproofing blocks these contaminants before they can establish inside.
Keep drinking water free of debris

Temperature swings between night and day stress new concrete and accelerate crack development; waterproofing protects against new fractures forming.
Reduce maintenance over time

New tanks in Al Najmah will serve for additional years after strong waterproofing.

Everything included in the service

Tank drained of water
Walls scrubbed with brush
Surfaces dried before coating
Cracks and gaps sealed
Primer coat brushed on
Waterproofing coat brushed on
Second coat applied over first
Coating inspected before leaving

How the waterproofing job is carried out

Booking and access arrangement
Draining, cleaning, and drying
Sealing and coating
Inspection and handover

What changes about water tank waterproofing in Al Najmah

Tanks here accumulate pale construction dust from graded plots and incomplete streets at a rate unmatched by any settled district in Jeddah. For the whole method, see what water tank waterproofing involves.

The first reason
Construction dust penetrates hairline fractures in concrete

Building projects and cleared plots around Al Najmah release vast quantities of pale dust daily. This dust is extremely fine and enters the smallest cracks in tank walls. Waterproofing seals these fractures and stops dust ingress at the source.
The second reason
Bare earth between buildings carries sand and clay particles

Vacant plots and graded land surrounding each home release fine sand and clay particles. Wind carries these onto roof surfaces. Any crack in the tank provides an entry route; particles settle at the bottom and contaminate the water.
The third reason
Incomplete streets release asphalt and aggregate grains

Streets in and around Al Najmah are not yet finished, releasing asphalt particles, stone aggregate and dust into the air continuously. Wind deposits these on all roof surfaces. Tanks need robust waterproofing to prevent these pollutants from entering.

Al Najmah on the map

Al Najmah sits about 1 km from Al Zuhour and about 1 km from Al Shuwaidi.

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What the tank looks like after

A sealed, smooth interior surface

The coating bonds to the concrete or fibreglass and fills any hairline cracks that were present.

No active leaks or seeping

Gaps that were allowing water to seep through the walls or base are filled and covered.

Food-safe lining throughout

Every applied material is rated safe for contact with drinking water.

What our customers said

«شغلهم ما شاء الله، أنصح الجميع بالتعامل معهم. عن تجربة وثقة.»

Hesham ZayanAugust 2026 · Review on Google Maps

«أفضل شركة تنظيف بالبخار. أسعارهم ممتازة وشغلهم مرة كويس.»

Bashar Al-MushaikhiJuly 2026 · Review on Google Maps

«خدمة ممتازة.»

Abdullah Al-GhamdiAugust 2026 · Review on Google Maps

«ممتازين.»

Muhammad EshraJuly 2026 · Review on Google Maps

Read the reviews on Google

Some of our work

Illustrative photographs. Our own job photographs go here as soon as the client approves them.

What is different about North Jeddah

The northern sector of Jeddah is the city's newest ground: gated villa schemes, low apartment blocks and wide boulevards laid out over the last stretch of open land before Dhahban and Thuwal. Much of it is still being built, so construction dust from cleared plots and half finished streets is the defining problem, drifting across finished homes on the afternoon wind and settling as a pale grit on car ports and window ledges. Summer brings the heaviest of it, while the short winter rains turn the same dust into streaks down cladding and glass.

Nearby districts we cover

Al Rabie Al Muruj Al Aqeeq

Questions worth asking first

Does pale construction dust only enter the tank from roof openings?

Construction dust also enters through microscopic cracks in the tank walls. These cracks are invisible to the eye. Waterproofing seals every one of them.

Will construction dust reduce after building activity finishes in Al Najmah?

Yes, as projects complete around the district dust levels will drop gradually. For now the tank may need extra cleaning. Waterproofing stops further accumulation immediately.

Does clay from bare earth cause long term water quality problems?

Yes. Clay carries algal spores and dormant bacteria. If it enters the tank it germinates and spreads rapidly in the presence of moisture. Waterproofing prevents clay from entering.

Should waterproofing be delayed until construction around Al Najmah finishes?

Delaying means dust will continue to accumulate inside. Waterproofing now stops this accumulation immediately.

Do new tanks in Al Najmah need different waterproofing materials?

All tanks follow the same waterproofing method. The age of the tank itself is less significant than the environment it sits in.

How long will ongoing construction dust affect homes in Al Najmah?

Dust may persist for several more years given the number of plots still being developed. Waterproofing protects the tank from this dust impact right now.

How much does water tank waterproofing in Al Najmah cost?

It is set after we see the job, because the price follows the kind of work, the size of the space, its condition and the time and materials it needs. Send a photo and a short description on WhatsApp and we will give you an estimate before we reach Al Najmah.