Dedicated duct workshop
Duct fabrication in Prince Abdulmajeed
In Prince Abdulmajeed, south Jeddah, workshop-fabricated duct ensures precise dimensions and complex fittings that site cutting cannot deliver. Alrabih manufactures rectangular and round duct from galvanized or aluminium sheet, measured from site or drawings, and delivers it ready to hang with no joint air loss.
- G90 sheet
- Site dimensions
- Complex fittings
Clients We're Proud to Serve
Organisations and companies that trusted Alrabih with their projects.
Who needs workshop-fabricated duct?
- 1
A contractor with project-specific sizes
Your project has non-standard sizes or volumes too large for site cutting. We fabricate rectangular and round sections from your drawings at exact dimensions, labelled and ready to hang when they reach the site.
- 2
Fittings too awkward to cut on site
Elbows, transitions, offsets and takeoffs come out distorted when cut by hand on site, leaking air and creating noise in the line. We make them in the workshop at the right dimensions with tight seams.
- 3
Extending or renovating an existing duct network
You need new branches, a damaged section replaced or a fitting that matches an old duct size. We measure the existing network on site and fabricate the pieces to match what is already there.
Who it's for
Building a facility that needs non-standard duct sizes
We read your project drawings and fabricate all sections and fittings at exact dimensions from G90 or aluminium sheet, labelled and ready to hang the moment they reach your site.
Ask on WhatsAppRenovating home AC and need fittings to match old duct
We measure the existing ductwork in your home and fabricate the branches, transitions and elbows needed to match the original duct without replacing the whole network.
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What the fabrication covers
- Site measure or drawings
- G90 or aluminium duct
- Elbows transitions and takeoffs
- Tight seams to SMACNA
- Labelled sections ready to hang
How we work
How we work
- 1
Take measurements
A technician visits the site or you send us the drawings; we list every duct section needed, its size and the correct sheet thickness for that section.
- 2
Fabricate sections and fittings
We cut, form and lock the sheet in the workshop, including all elbows, transitions, offsets and takeoffs, and each section comes out at its exact dimension.
- 3
Label and prepare for delivery
We number every section and fitting against the assembly plan so the installation crew knows exactly where each piece goes, with no guessing on site.
- 4
Deliver to site
We deliver the duct to your Jeddah site protected and ready to hang. If you need an installation crew, we can arrange that as a separate step.
Workshop fabrication or site cutting?
| Alrabih | The usual way | |
|---|---|---|
| Dimensional accuracy | Workshop machines, tight dims | Hand variation on site |
| Complex fittings | Correct elbows and transitions | Distorted, leaking air |
| Seam quality | Tight lock, low leakage | Gaps weaken pressure |
| Site schedule | Arrives ready to hang | Extra time and site noise |
| Salt and humidity | Aluminium where site demands | One sheet regardless |
Everything your AC needs, from one team
From system design and duct fabrication to installation, commissioning and maintenance.
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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
Prince Abdulmajeed holds modern villas, mid-rise residential blocks and growing commercial projects, mostly built in recent decades with wider horizontal footprints than central Jeddah. That pattern supports full central AC systems running through corridors and suspended ceilings, requiring duct with precise transitions, elbows and takeoffs. Workshop-fabricated duct arrives to exact dimensions and cuts air loss from the pressurised system, raising overall efficiency in the larger buildings.
Prince Abdulmajeed sits in south Jeddah, a modern residential and commercial growth zone with villas and mixed-height apartment blocks.
Most large commercial and residential projects here opt for central AC with complex duct runs because of their wide horizontal footprints.
The AC setup in Prince Abdulmajeed
- 1
Complex central duct for modern villas
Modern villas in Prince Abdulmajeed need complex duct runs with multiple takeoffs and transitions through suspended ceilings, requiring precise workshop fabrication.
- 2
Rectangular duct with circular transitions
We use rectangular duct through tight corridors and suspended ceilings, with circular transitions at intake points and indoor units to reduce resistance.
- 3
Galvanized or aluminium sheet to suit the environment
We use aluminium in coastal and humid-exposed areas, and galvanized sheet inland, to ensure long life without corrosion.
Before the visit
Before our visit in Prince Abdulmajeed
- 1
Obtain system drawings or precise measurements
Send us the engineer's drawings for the central system or precise measurements of corridors, ceiling heights and unit spacing before our site visit.
- 2
Confirm access to all ceilings and corridors
Confirm that all corridors, suspended ceilings and planned duct runs are safe and accessible for measuring and installing.
- 3
Locate the outdoor and indoor units
Tell us exactly where the outdoor unit and indoor units will be and the distance between them, as this affects the length and shape of the duct we need.
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FAQ
Questions about Duct fabrication
Can you fabricate from drawings without visiting the site?
Yes, when the drawings are clear and carry the actual as-built dimensions. If a dimension is uncertain or a field change has been made, we prefer a site visit to avoid a fabricated piece that does not fit. We discuss the better approach with you before starting work.
What is the difference between galvanized and aluminium sheet for duct?
G90 galvanized sheet is the standard choice for interior duct: strong and suited to a range of pressures. Aluminium is lighter and handles Jeddah's coastal humidity and salt air better, making it right for some exposed applications or where structural load is a limiting factor. The correct choice depends on the site.
Can you make elbows and transitions to match an existing duct network?
Yes. We measure the existing network on site to match sizes precisely, whether you need a new branch added, a damaged fitting replaced or an extension tied into the original ductwork. The right approach is confirmed after the site visit.
How do you choose sheet thickness for each section?
Thickness follows section size: a large duct needs heavier sheet to hold its shape under pressure, a small one can use lighter material. We apply the SMACNA requirements to each section in the project individually, not a single thickness across the whole job.
Does Jeddah's humidity and salt air affect which sheet material to use?
Yes, particularly for sections exposed to outdoor air or installed near fresh-air intakes. G90 galvanized sheet performs well inside the building, but aluminium is the better choice where duct is in continuous contact with Jeddah's humid, salt-laden air. The site survey determines the right material for each section.
Does your duct fabrication suit the modern villas in Prince Abdulmajeed?
Yes, we fabricate custom duct for central AC systems in villas and apartment blocks, with takeoffs and transitions to match the engineer's drawings or our site measurements. The duct arrives ready to hang with no further on-site cutting.
Our suspended ceilings and tight corridors need special bends; how do you handle that?
We measure the corridors and ceiling spaces precisely on site, then fabricate the bends, transitions and takeoffs in our workshop to those exact dimensions, so the duct fits the spaces as delivered with no modifications.
Desert dust blowing in from outside Jeddah might affect duct performance; what do you recommend?
Workshop-fabricated duct with tight joints reduces dust and moisture ingress from outside. We recommend fitting high-quality air filters on the outdoor intake points to keep the indoor air clean.
The outdoor unit for our central system is far from the villa; does that affect duct fabrication?
A long distance between outdoor and indoor units calls for extended copper runs and longer duct sections, which means we fabricate more transitions in the workshop to minimise loss and ensure even air distribution. Precise site measurement before fabrication is essential for these layouts.
