Precision-made ductwork
AC duct manufacturing in Madinat Al Sultan
In Madinat Al Sultan, south Jeddah, modern residential and hotel projects need ductwork manufactured to precision to avoid cold-air loss. Alrabih makes supply trunks, return ducts and plenums in the workshop to your project dimensions, with full insulation and sealed seams throughout.
- Sealed seams
- Full insulation
- Delivered ready
Clients We're Proud to Serve
Organisations and companies that trusted Alrabih with their projects.
When duct quality makes the difference
- 1
Duct losing cold air
An open seam or an unsealed joint loses cold air before it reaches the room. We close every seam with Foster sealant in the workshop before shipping, so the seal does not depend on site work alone.
- 2
Condensation wetting the ceiling
In Jeddah's humid air any bare metal surface sweats and drips onto the ceiling or damages the unit insulation. We wrap with Kimmco or Armaflex at the thickness the site calls for.
- 3
A project with many duct runs
A villa or commercial building needs main trunks, branches and plenums in several sizes. We make sections in the workshop numbered to the site plan, so the hanging crew assembles without cutting or adjusting.
Who it's for
Replacing your villa's AC and need new ductwork
We make supply and return trunks and plenums to your villa's dimensions, insulated and numbered, ready for the hanging crew without any on-site cutting.
Ask on WhatsAppRunning a commercial fit-out that needs duct runs
We take your project drawings and produce numbered sections in batches matched to your site schedule, so the hanging crew is never waiting on supply.
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What the manufacturing covers
- Supply and return trunks
- Unit plenums to opening size
- Seams sealed with Foster
- Kimmco or Armaflex outer wrap
- Numbered sections ready to hang
How we work
How we work
- 1
Send sizes or drawings
Send us the duct drawing or a list of section sizes. If sizes are not fixed yet, we agree a site survey before production starts.
- 2
Review sizes and sheet gauge
We check each section's dimensions and pick the right sheet thickness for the duct size, then confirm quantities with you before cutting begins.
- 3
Fabricate, seal and insulate
We cut and fold the G90 galvanised sheet, lock the seams with Foster sealant, and wrap each section with Kimmco or Armaflex insulation in the workshop before shipment.
- 4
Number and deliver
We mark each section with its position and dimension from the site plan, so the hanging team identifies every piece without confusion and starts work on arrival.
Workshop-made or site-cut duct?
| Alrabih | The usual way | |
|---|---|---|
| Sealing | Foster on every seam in workshop | Uneven site sealing |
| Insulation | Kimmco or Armaflex fully wrapped | Partial or delayed wrap |
| Sheet gauge | Chosen for each duct size | One gauge for everything |
| Assembly time | Numbered, assembled straight away | Cut and adjust on site |
| Joint fit | Workshop dimensions close every joint | Hand trimming breaks the seal |
Everything your AC needs, from one team
From system design and duct fabrication to installation, commissioning and maintenance.
Split AC installation
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Some of our work
Ductwork, rooftop units and diffusers, from work we've completed in Jeddah.
Customer reviews
What our customers say
- Muhammadramzan 2641
“MashaaAllah. Services are so good. Behaviour and kindness 100/100. Prices are less then Market. Fully recommended”
- shahzeb armani
“Wow. Prices are so comfortable. Outstanding services. People are so talented and nice”
- Tawfik AlyawerLocal Guide
“U can find all u need for air conditioning”
Your satisfaction matters to us! If you had a great experience with us, we'd love a 5-star rating and a kind review.
Worked with us? Leave a reviewService areas
We come to you anywhere in Jeddah
From Al Shiraa and Al Yaqout in the north to Al Thaghr and Al Quraiyat in the south, with our base in Al Aziziyah.
What sets this district apart
Madinat Al Sultan is a relatively modern district with mid-rise apartment blocks and large hotel and commercial projects, most relying on central air conditioning rather than individual split units. This type of project demands precise ductwork planning before construction, and cutting and assembling on site leaves gaps that bleed cold air and trap moisture in Jeddah's humid heat. Workshop-made ducts fit the final dimensions better and keep the installation on the project schedule.
Madinat Al Sultan lies in south Jeddah and is a district of modern residential projects, hotels and large commercial buildings with open layouts.
Most new projects here use central AC systems rather than split units, requiring large-scale ductwork distributed across multiple floors.
The AC setup in Madinat Al Sultan
- 1
Main supply ducts for large projects
Madinat Al Sultan's large projects need main supply ducts that are fully insulated and precisely sealed to cover multiple floors and wide zones.
- 2
Central return ducts
Central systems here need return ducts collecting from multiple floors, and pre-manufacturing ensures dimensions fit precisely with ceilings and walls.
- 3
Plenums and distribution boxes
Large projects need custom plenums and distribution boxes, and workshop manufacturing provides higher precision and faster installation on site.
Before the visit
Before our visit in Madinat Al Sultan
- 1
Obtain the complete engineering drawings
Focus on section, floor and ceiling drawings to determine duct dimensions and routing precisely before setting the manufacturing timeline.
- 2
Confirm the central unit and outdoor outlet locations
Confirm where the central AC unit and outdoor vents sit to determine duct lengths and insulation requirements.
- 3
Coordinate with the project engineer and contractor
Check the construction schedule and which phases must be complete before ceilings and walls close in.
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FAQ
Questions about AC duct manufacturing
How do you make sure the duct does not leak air at the seams?
We close the long seams with a tight mechanical lock as the sheet is formed, then seal every seam and every joint between sections with Foster sealant before insulating. Sections leave the workshop with matching flanges that tighten evenly when hung, because any small gap in cold duct means lost air and a point where condensation forms.
Does the duct arrive ready to hang, or is it assembled on site?
Sections arrive fabricated, insulated, sealed and numbered to the route drawing, so the fitters know where each piece goes without cutting or altering on site. What is left on site is joining the sections, fixing them to the hangers and connecting the unit and outlets, which shortens the work above the ceiling.
Do you make plenums for cassette and cabinet units?
Yes, we fabricate plenums for both types. A cassette unit plenum is measured to match the unit's outlet frame exactly so air reaches the branch runs without leaking at the connection. A cabinet unit plenum is made to carry both the supply and return paths if the design calls for it. Both types are insulated with Kimmco or Armaflex and sealed with Foster sealant before they leave the workshop.
Can you manufacture duct for a large commercial project?
Yes. The workshop is equipped to fabricate large supply and return trunk runs suited to commercial, government and industrial buildings. Each section is made to the project drawings, numbered and delivered ready to hang after insulation and sealing. When engineering drawings are available, the technical team reviews them before fabrication starts to confirm that the duct dimensions fit the ceiling voids on site.
Why are the duct sections insulated in the workshop before delivery?
The duct carries cold air through a ceiling void that may be hot and humid. Without external insulation, water vapour condenses on the cold sheet and drips onto the false ceiling or the goods below. So each section is wrapped in Kimmco or Armaflex in our workshop and every edge and joint is sealed with Foster sealant before delivery.
Do you make ductwork for multi-storey apartment buildings?
Yes, we make supply and return ducts for multi-storey residential projects in Madinat Al Sultan, with numbered sections to simplify on-site installation.
How do you handle ductwork in tight spaces between floors and slabs?
We study the project drawings before manufacturing and make ducts to exact dimensions to fit between slabs without on-site modification, saving time and cost.
Does Jeddah's high humidity affect insulated AC ducts?
Yes, we fully insulate ducts and seal every seam with Foster sealant to prevent air leakage and condensation forming on the outer surface in high humidity.
Do you work on large hotel projects needing custom-cut ductwork sections?
Yes, we work on large hotel projects in Madinat Al Sultan and manufacture duct sections to the engineering specifications and project drawings.
