A technician checking a building perimeter and setting a monitoring point at the wall base

Preventive treatment in Harat Al Sarahin Jeddah

Harat Al Sarahin is an old quarter of Thuwal on Jeddah's coast, built of mud and traditional materials in the pattern of coastal villages where related families live clustered together. The infestation pressure comes from constant sea moisture, ancient traditional building and ongoing housing replacement, and the programme must adapt to the transition from old mud houses to modern construction.

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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 Harat Al Sarahin

Old mud houses hold many cracks and gaps, and constant sea moisture makes sealing them impractical. Small animals and rodents live inside the mud walls and cavities permanently. The method is set out in full on Preventive treatment in detail.

The first reason

Old mud building and deep permanent cracks and replacement work

Mud is a fragile ancient material and cracks run deep and stay. Rebuilding the house may be planned, and the preventive programme must work with the current reality and track the slow transition from old to new construction nearby.

The second reason

Sea moisture and salt spray and dense architecture

The sea is very close, and moisture and salt penetrate the mud and stone. Streets are narrow and houses sit very close together, which reduces airflow and drying. Salt spray corrodes seals and openings faster than inland areas.

The third reason

Village pattern and clustered families and livestock

Houses are gathered in a traditional village pattern, and pets and poultry provide food and attraction for rodents and insects. The programme must account for the livestock and traditional life in the quarter.

Harat Al Sarahin on the map

Harat Al Sarahin sits about 0.5 km from Harat Al Baharah and about 0.5 km from Harat Al Amir.

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Before treatment

What a preventive visit reads

An old coastal quarter in the town of Thuwal, with mud-built and traditional houses constructed by old methods, where families cluster in traditional village patterns, and the town is currently replacing unfit homes with modern construction.

The base of an exterior wall where the building meets the ground

The base of the outside wall

The base of the outside wall in Harat Al Sarahin sits on damp ground next to the sea, so the residual band must be very strong and may need frequent renewal because salt corrodes it.

An exterior door threshold and the gap beneath it

Gaps and openings

Gaps in mud building are many and deep, and sealing them completely is impractical, so monitoring focuses on major openings and the external barrier.

An outdoor air conditioning unit with a condensate pipe on the wall

Air conditioning condensate

Air conditioning condensate is sparse but wall seepage and rising damp from the ground provide constant moisture feeding insect and rodent activity.

Floor drains

Floor drains in mud houses may be very simple and not sealed, and standing water provides permanent attraction for insects and rodents.

A drip irrigation line in damp soil beside planting

Irrigation against the wall

Watering is absent but natural moisture from the sea and ground provides continuous dampness in and around every house.

A closed monitoring station at the foot of a wall

The monitoring points

Monitoring points are placed at high density around each house because pressure is constant and sources are diverse and often invisible.

How we work

1
The baseline survey

We walk the outside boundary and then the inside: gaps under doors, pipe runs, vents, condensate lines, drains, the bin area and the store, and we fix the monitoring points before anything is applied.
2
Close the routes

Mesh on the vents, the gap under the door dealt with, the sleeve around a pipe run closed, and water put back into the drain nobody uses. Exclusion saves a spray that would otherwise repeat forever.
3
The band and the placed product

A residual band at the base of the wall outside and around door and window openings, with placed product inside joints and closed voids where it is warranted, and no open spray across living surfaces.
4
The scheduled visit: read, renew, record

We read the points to see which side is under pressure, renew the band where sun or irrigation has taken it, aim the visit at what the coming season opens up, and write down what was found and what was used.

What the preventive programme includes

A survey, then a check every visit

Entry points, moisture sources and storage, recorded before anything is applied and revisited each time.
Monitoring points that get read

At the wall and floor junction, under sinks and in the store, checked on every visit rather than only the last one.
A renewed exterior band

At the wall base and around the openings, put back wherever sun or irrigation took it between visits.
Drains, water lines and waste

The water seal in the drains, the condensate line and the ground around the bins, which are the standing water and food sources.
Between the visits

What to keep dry, what to keep closed, and what is worth a call before the next date. Ventilation we tell you before the visit.
A scheduled visit and a record of each

An agreed date, what the points held, what was treated, and what changed since last time.

The character of Harat Al Sarahin

Mixed district: shops at street level with homes above them

A mixed district with shops and housing means insects may come from nearby coastal shops or from the sea or from neighbouring houses. The programme must monitor all possible pathways into the home.

Questions about this district

The house is very old mud-built; can it be protected from insects and rodents?

Complete sealing of an old mud house is impractical. The programme focuses on the residual band around the foundation, and continuous monitoring because pressure is constant.

Moisture is very high and the house is always damp; does the programme work?

Yes, spraying kills insects and rodents but reducing moisture is essential. Ventilation and drying alongside the programme increase effectiveness.

The house is right next to the sea; is the pressure higher?

Yes very much so. Houses adjacent to the sea face higher pressure from moisture, salt spray and marine insects.

The quarter is undergoing housing replacement now; do we need prevention now?

Yes, even if the house is scheduled for demolition or renovation, insects are present now. The programme must start now and coordinate with the replacement work.

There are poultry and livestock next to the house; do they increase insects?

Yes, pets and poultry provide food and attraction for rodents and insects. The programme focuses on areas around animal shelters and enclosures.

How often does the technician visit an old mud house in the quarter?

Visits may come monthly or every six weeks depending on what monitoring points show and the moisture level.

How much does preventive treatment in Harat Al Sarahin 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 Harat Al Sarahin.