Dedicated duct workshop
Duct fabrication in Al Sahifah
Duct fabrication for Al Sahifah's dense residential and commercial mix in central Jeddah serves projects across the middle districts. We measure on site or from drawings and fabricate rectangular and round duct with fittings in our workshop, delivered ready to hang with sealed joints.
- 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
Al Sahifah mixes modern apartment blocks with shops and offices, and many projects here need complex duct runs to serve multiple floors or wide commercial spaces. On-site duct cutting loses precision at elbows and offsets, so workshop fabrication from site measurements ensures tight joints and proper fit during installation.
Al Sahifah lies in central Jeddah, a mixed district of residential and commercial blocks with office buildings.
Most projects in Al Sahifah need medium to large duct runs serving multiple floors or open commercial spaces.
The AC setup in Al Sahifah
- 1
Medium-sized duct runs for multi-storey residential blocks
Many Al Sahifah blocks need duct distributed across multiple floors, and pre-fabrication ensures each piece fits perfectly with the next.
- 2
Complex duct for wide commercial floor plates
Large shops and offices need multiple offsets and elbows, and the workshop makes them precisely to avoid fitting errors.
- 3
Rust-resistant G90 galvanized and aluminium sheet
Coastal humidity and central Jeddah heat require rust-resistant material, and both options offer long-term durability.
Before the visit
Before our visit in Al Sahifah
- 1
Obtain architectural or schematic drawings for the project
Drawings help us understand the duct path and distances before the site visit, reducing measurement and fabrication errors.
- 2
Clear the spaces designated for the duct run
Make sure the planned duct paths are clear of obstructions and furniture so we can measure accurately.
- 3
Confirm the air exhaust point and outdoor fresh-air inlet
Show us where the return and outdoor intake vents will be, as this determines duct length and the fittings needed.
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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.
How do you handle duct runs in mixed-use buildings like Al Sahifah?
We measure every project on site and plan the duct path precisely, then fabricate in the workshop to match the actual building without guesswork.
Is on-site duct cutting adequate or do we need workshop fabrication?
On-site cutting cannot maintain precise dimensions, especially for the complex elbows and offsets that multi-storey buildings here require.
Does factory-made duct hold up to Jeddah's heat and humidity?
We use G90 galvanized or aluminium sheet, both of which resist rust, coastal humidity and Jeddah's high heat.
How do you prevent air leakage from the ductwork after installation?
Our workshop-made duct arrives with precision-fitted joints ready to hang, and installation maintains tight seals with no gaps or leakage.
