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

Preventive treatment in Al Sahifah Jeddah

Al Sahifah is an old central quarter adjoining historic Jeddah, its apartment blocks standing shoulder to shoulder with repeated floors and shared entrances. Moisture travels through common walls and gaps between storeys, creating highways for insects to move between flats. Preventive treatment here means regular monitoring point readings and persistent sealing of gaps the insects use to cross from one unit to another.

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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 Sahifah

Adjoining flats share walls and floor cavities, so an insect finding its way into one unit travels to the next through cracks and service penetrations without crossing open air. The method is set out in full on the full Preventive treatment page.

The first reason

Shared drainage pipes and hidden seepage

Sewage and condensate pipes run through shared walls between flats, and leaking joints create damp zones that attract insects. Monitoring points track these wet spots carefully because insects concentrate there before spreading upwards or sideways into living spaces.

The second reason

Inter-floor gaps and shared passageways

Tight dark corridors and the voids beneath floor slabs offer safe shelter for crawling insects. Treatment must reach these spaces reliably at every visit because insects nest there between floors, using the darkness and pipe penetrations as highways between units.

The third reason

Common entrances and shared stairwells

The shared foyer and staircase see constant foot traffic and sit at the natural entry point for insects coming up from the street. The external residual band at the wall base and regular monitoring stop them before they climb the stairs into the block.

The character of Al Sahifah

Apartment district: residential blocks, repeated floors and shared entrances

Repeated flats with shared entrances mean insects do not recognise individual flat boundaries. Treatment must follow the insects' shared pathways between units, not just the walls of one flat in isolation.

Before treatment

What a preventive visit reads

Old tightly packed residential blocks with shared sewage networks and pipes that connect them directly, and King Abdulaziz Road cuts straight through the district carrying constant pedestrian and vehicle traffic.

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

The base of the outside wall

The wall base facing King Abdulaziz Road carries constant traffic movement which keeps the pressure high, so the external residual band must remain intact and strong throughout the year.

An exterior door threshold and the gap beneath it

Gaps and openings

Gaps between floors and holes where pipes pass through create insect bridges that must be sealed and monitored regularly because this is where inter-flat movement happens most readily.

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

Air conditioning condensate

Air conditioning condensate from upper flats drips down onto lower units, so monitoring points are positioned at every drain outlet and the liquid managed to prevent standing water accumulation.

Floor drains

Floor drain grates in the shared corridors need checking and occasional maintenance because standing water and debris here attract insects seeking moisture and shelter.

A drip irrigation line in damp soil beside planting

Irrigation against the wall

Irrigation against the outer wall is not present here, but seepage from drains and condensate creates wet conditions around the building base that attract insects seeking moisture.

A closed monitoring station at the foot of a wall

The monitoring points

Monitoring points are stationed at shared entrances, inter-floor gaps, and all damp zones around drainage pipes where insects congregate before moving into living spaces.

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.

Landmarks of Al Sahifah

The district extends from Old Makkah Road in the north to King Abdulaziz Road which cuts through the centre, with monitoring points distributed along these main thoroughfares according to building density and the routes insects take between blocks.

Old Makkah Road
King Abdulaziz Road
Khalid ibn Al Walid Street
Bab Sharif
King Abdulaziz Mosque

Questions about this district

Can insects from the neighbouring flat reach mine through shared walls?

Yes, common walls, floor cavities and service penetrations carry insects easily between adjoining units. Treatment covers your flat but the pressure coming from neighbouring units that have no treatment will keep pushing through shared boundaries.

Why is monitoring essential in a tightly packed residential block?

Monitoring points tell us where insects are sheltering and which routes they use to move between units. In blocks like this one, insects migrate from flat to flat, so regular point readings catch the problem before it spreads widely.

Is the external residual band at the base enough by itself?

The band blocks insects entering from ground level, but floor voids and service gaps still need interior sealing and regular monitoring point checks to prevent insects using these internal routes between floors.

How often does the team visit in winter and summer months?

Visit frequency follows what the monitoring points show and what the season is about to bring. Summer increases insect activity so visits come closer together, whilst winter visits may stretch out slightly depending on what the points read.

Does the programme cover the shared corridors and stairwells?

Yes, the shared foyer, staircase and connecting passages are treated as critical zones. The residual band is laid at all entry points and monitoring points track insect movement through these common spaces.

If the flat above mine is untreated, will my unit be affected?

Yes, insects descend from above through service penetrations and gaps between floors. Treatment protects your flat but downward pressure from the unit above requires continuous monitoring and point readings to manage.

How much does preventive treatment in Al Sahifah 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 Sahifah.