A technician sealing the sheeting over a pallet stack inside a warehouse

Fumigation in Al Mahjar Jeddah

Al Mahjar is a south Jeddah district crossed by King Faisal Road and Al Mahjar Street, home to King Abdulaziz Hospital on the old quarantine station site. The district mixes residential flats, hotels and hospitals with nearness to the port and refinery, where open stormwater channels, warehouses and markets provide year round shelter for insects and rodents.

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Targeted, not broadcast

Product goes into cracks and runways, never sprayed across open surfaces.
Told before we start

What we will use, where it goes, and what to cover or move before we arrive.
A follow-up visit

We return after the first treatment, because what survives it does not show on the day.
Homes and businesses

Apartments and villas, and kitchens and stores that need a record of each visit.

Why they keep coming back in Al Mahjar

Open stormwater channels, dense warehouses and proximity to the port and industrial city provide pests with shelter, food and moisture throughout the year. The method is set out in full on what Fumigation involves.

The first reason

Open drainage channels are permanent insect highways

Open stormwater channels surround the district and collect water and waste. Insects and rodents use them as safe passages to move between neighbourhoods.

The second reason

Dense warehouses provide constant food storage

Logistics and warehousing around Al Mahjar store varied goods. Leaking containers, poor management and damp floors provide year round insect food.

The third reason

Old water and sewer networks in ageing quarters

The old Petromin district has very outdated pipes. Insects move easily from the old quarter into Al Mahjar through shared networks.

Al Mahjar on the map

Al Mahjar sits about 4 km from Al Saruriyah and about 8.5 km from Al Sarawat.

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Before treatment

What decides whether fumigation is the right method

The old popular quarter of Petromin adjoins Al Mahjar to the west with its aging housing stock, while the refinery and port lie to the south, with open drainage channels and warehouses marking the district's character.

Grain and feed

Grain and animal feed in warehouses on King Faisal Road are at high risk because of humidity and closeness to open drainage channels.

Cartons and packaging

Cardboard and paper packaging in large warehouses may carry insects from overseas ports of origin.

Pallets and timber

Wooden pallets and timber in warehouses may be contaminated from foreign shipments, and fumigation may be needed.

The closed doors of a shipping container

Containers and consignments

Metal shipping containers arrive directly from the port and may be heavily contaminated; inspection and treatment at arrival is essential.

A metal ventilation grille in a warehouse wall

Where the gas escapes

Open stormwater channels provide safe passages for insects and rodents to enter warehouses and homes from the streets.

An industrial extraction fan set into a wall

Aeration afterwards

Aeration after fumigation takes longer in large warehouses with massive stacks of goods and limited air movement.

How we work

1
Survey and sampling

We identify the pest and its stage, go through the stock, the racking and the corners, measure the volume, and establish whether the place can be sealed as it stands or a sheeted enclosure has to be built over the stacks.
2
Sealing and preparation

Sheeting sealed to the floor around the stacks or the room closed up, vents, drains and door edges shut, the area emptied of people and warning signage placed before anything is introduced.
3
Gas introduction and monitored exposure

The dose is calculated from the volume, the commodity and its temperature, and readings through the period confirm the concentration is still there at the end of the exposure and not only at the start.
4
Aeration, clearance and the record

Forced ventilation, then repeated readings until the space is handed back, and a report covering what was found, how the enclosure was built, the exposure period, the readings and what needs correcting at goods inwards.

What fumigation includes

A recorded survey

Pest and stage, samples from the commodity, and the volume of the space, before fumigation is decided on at all.
Sealing the enclosure

Vents, floor drains, door edges and cable runs, which is where the gas goes if nobody closes them.
Dosing and monitored exposure

Dose set by volume, commodity and temperature, with readings tracking the concentration to the end of the exposure.
Aeration and clearance readings

Extraction and forced ventilation, then repeated readings, and the space is not opened to staff until a reading allows it.
Monitoring points afterwards

Pheromone traps and check points on the goods inwards route, because fumigation leaves nothing behind to protect what arrives next.
The report and a follow-up visit

A written record of the work and its readings, and a date to re-check the stock and deal with anything new.

What is different about South Sub-Municipality

The South sub municipality runs from the edge of Old Makkah Road down to Al Khumrah and the southern corniche. Dense residential districts sit beside new subdivisions such as Al Sanabil and Al Taawun, warehouse fringes such as Al Saruriyah and Al Sarawat, and an old seaside settlement at Al Quzayn. Open stormwater channels cross the housing, and the warehouses, the vegetable and livestock markets and the nearby Islamic Port and Industrial City give pests shelter, food and year round humidity. Pressure is greatest in the older quarters, where drainage networks are ageing.

Questions about this district

Are hospitals in Al Mahjar more prone to infestation than residential areas?

Yes. Hospitals receive guests and staff from many areas. Regular inspection and scheduled treatment are essential.

Are open drainage channels a source of infestation for nearby villas and flats?

Yes. Channels provide damp habitat and food, and rodents and insects move from the streets into homes easily.

How often should warehouse heavy districts like Al Mahjar be treated?

Every two to three months is recommended because pressure is constant from warehouses and drainage channels.

Do trucks arriving from the port bring insects to warehouses?

Yes. Trucks and containers from port facilities may carry insects. Inspection on arrival and fumigation may be necessary.

What should we do if a villa near warehouses shows infestation?

We treat the villa and seal all openings. We may recommend treating the exterior surroundings as well.

Does high humidity near the port affect fumigation effectiveness?

Yes. High humidity reduces gas effectiveness. We may increase the dose or extend exposure time accordingly.

How much does fumigation in Al Mahjar cost?

It is set after the inspection, because the price follows the type of infestation, the size of the space, how far it has spread and the number of visits it needs. Send a photo and a description on WhatsApp and we will give you an estimate before we reach Al Mahjar.