Water tank waterproofing in Al Jamiah, Jeddah

Al Jamiah is an established apartment district north of Old Makkah Road, packed with residential blocks stacked tightly with flat roofs and shared fire exits that trap and funnel moisture. Tanks in these buildings rarely receive regular maintenance, and rising damp from saturated ground meets descending humidity from a densely populated, tightly built environment.

Call now WhatsApp

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 is closely packed around Al Jamiah Roundabout and Andalusia Hospital, with shops and markets on ground floors and high residential density creating persistent moisture.

Seal before a leak develops

Cracks allow moisture from the dense surrounding buildings to penetrate, causing slow but cumulative damage to the ceiling and concrete beneath the tank over the years.
Repair an existing slow drip

A slow leak from a tank in a crowded district may not be observed because ambient humidity is always high. Waterproofing stops the seepage and protects the foundation.
Keep drinking water free of debris

Persistent high humidity opens new cracks each cycle as moisture stresses the concrete. Waterproofing reduces this expansion-contraction cycle and prevents recurring damage.
Reduce maintenance over time

An old tank in an aging apartment block may not need complete replacement. Correct waterproofing extends its working life significantly rather than rebuilding from scratch.

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 Jamiah

Tanks in apartment blocks here collect moisture from multiple directions: flat roofs, shared ventilation shafts, and wet foundations. This combination produces some of the fastest algae growth rates seen in residential tanks across the city. For the whole method, see our water tank waterproofing service.

The first reason
Flat roofs pool water and moisture around the tank

Most older blocks in Al Jamiah have flat roofs with no proper drainage gradient. Rainwater and ambient humidity pool around the tank base, leaving the tank itself submerged in permanent damp, which accelerates internal degradation.
The second reason
Shared entry points and open shafts channel humid air

Fire escape stairwells, open passage doors, and inter-floor vents allow warm, moisture-laden air to travel freely up the building to the roof. This humid airflow reaches the tank and accelerates internal algae colonisation and metal corrosion.
The third reason
Dense packing traps moisture against every building

Buildings are built adjacently with no air gaps, limiting natural ventilation. Humidity becomes trapped in the tight urban mass, and every tank draws this persistent moisture from all directions simultaneously.

The character of Al Jamiah

Apartment district: residential blocks, repeated floors and shared entrances

In an apartment district like Al Jamiah, tanks serve multiple units and share roofs with many neighbours. Waterproofing must be robust because humidity from high residential density and restricted ventilation exerts constant pressure on all tank surfaces.

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.

Landmarks of Al Jamiah

Al Jamiah centres on Al Jamiah Roundabout and adjoins Al Fath Park. Access to most roofs runs via Stadium Road or directly from Al Jamiah Road, often passing near Andalusia Hospital at the intersection.

Old Makkah Road
Al Jamiah Road
Al Jamiah Roundabout
Andalusia Hospital Al Jamiah
Al Fath Park
Stadium Road

Nearby districts we cover

Al Thaghr Madain Al Fahd Al Mustaqbal

Questions worth asking first

Do flat roofs in Al Jamiah blocks cause faster tank seepage than pitched roofs?

Yes, significantly. Flat roofs pool water and humidity chronically, leaving tanks submerged in constant damp. The sustained pressure opens new cracks far faster than sloped roofs where water drains away quickly.

Do shared ventilation shafts between floors increase tank moisture faster?

Markedly so. Warm humid air from lower floors and street level rises through these open shafts and reaches the roof. This air accelerates internal green algae growth much more rapidly than tanks in well-ventilated buildings.

Can the tank be sealed when the building adjoins Andalusia Hospital very closely?

Yes, proximity to the hospital does not affect the work. However, access may be tighter due to density and narrow streets, so we would bring scaled-down equipment and plan the schedule around local traffic patterns.

How often must a tank be inspected after waterproofing in a dense district like this?

At three months after completion, then every six months in year one. The high ambient humidity in this neighbourhood may warrant more frequent checks than other districts to catch micro-breaches early.

Do modern tanks installed on old building roofs leak faster than traditional designs?

Not inherently. Modern tanks are made from stronger materials, but if placed on a damp old roof structure, humidity can seep through the base rapidly. Waterproofing protects against exactly this scenario.

What should we arrange before the waterproofing team visits Al Jamiah?

Clear the roof of stored items and debris. If the roof surface is very damp, allow the crew time to dry the area before starting work. Notify us of any adjacent rooftops or structures that might restrict movement.

How much does water tank waterproofing in Al Jamiah 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 Jamiah.