Custom Sheet Metal Ductwork & Fittings

Serving Vancouver Island, Haida Gwaii, Remote Communities & Mainland British Columbia

Precision Fabrication. Ultra Fast Turnaround. Simple Order Process. Built for Contractors.

Lewis Sheet Metal specializes in providing custom sheet metal ductwork and fittings for commercial and industrial installers. We support HVAC contractors, refrigeration companies, heating & cooling contractors, mechanical contractors, and companies with a sheet metal division but no fabrication shop or… maybe you have a sheet metal shop but need vacation coverage. We provide  precision workmanship, fast responsive service, and dependable turnaround.

From custom ductwork and commercial sheet metal ductwork to ventilation ductwork, galvanized ductwork, and welded ductwork. We make the process easy for you. Every product is manufactured to your sketch. Whether you need a single replacement fitting, a custom transition, or a complete commercial ductwork package, our experienced team prioritizes you!  with a fast 3 day standard turnaround and same-day quick-build service available for urgent projects.

Custom fittings

Place Your Order Here

Step 1

Review this drawing checklist and refer to our how-to examples below.

Step 2

Send us your drawings to place an order or request a quote.

New customer?

We’ll provide an invoice when we receive your drawings so you can pre-pay at Pay My Invoice. For quicker orders in the future, complete a credit application.

Step 3

Come and get your custom metal!

Too busy to leave? No problem. We can deliver within Greater Victoria.

Please note that standard orders are based on a three-day turnaround time with drawings received by 10:00 am. If you need it sooner, we can certainly make that happen though. See below for express service options and fees.

  • two-day with delivery, add 10%
  • one-day with delivery, add 25%
  • same day with delivery, add 50%

Frequently Asked Questions

Q: It’s a simple fitting. Can I just phone in my order?

A: Short answer: no. We need specific information that is drawn correctly to ensure we build your custom fittings exactly as you want them.

Q: It’s just one or two fittings. Can I come pick it up today?

A: Yes, you can! Please refer to the above notes for same-day premiums. If you place your order by 10:00 a.m. we will quick build your order to have it ready by the end of the workday for pickup in the ‘fast lane’.

Custom Ductwork Solutions

Every project has unique requirements, which is why Lewis Sheet Metal provides custom ductwork and fittings built to your exact drawings, dimensions, and specifications. Whether you’re replacing an existing section, completing a tenant improvement, or supplying a large commercial project, we deliver precision-built solutions designed for an accurate fit and efficient installation.

Getting started is simple. Send us a picture of your sketch or order card, and our team will review your requirements, provide a quotation, confirm turnaround times, and schedule your order. If you prefer to send CAD files we accept those too.

Our custom ductwork includes:

  • Commercial ductwork
  • Industrial ductwork
  • Ventilation ductwork
  • Galvanized ductwork
  • Rectangular ductwork
  • Round fittings
  • Welded ductwork
  • Custom duct fittings


Available in galvanized steel, satin coat,  stainless steel, and aluminum, Custom Duct Fittings & Products.

We offer a complete range of custom duct fittings and sheet metal components.

Our products include:

  • Elbows
  • Reducers
  • Transitions
  • Offsets
  • Square to Round Fittings
  • Dampers
  • Unit Base Boxes
  • Tees
  • Wyes
  • Plenums
  • Take-offs
  • Flex connectors
  • Access doors
  • Filter Racks
  • Specialty fabricated components
  • You draw it, we build it


Whether you’re replacing damaged ductwork, upgrading equipment, or completing a new construction project,we supply custom components built specifically for your application—from one-off replacement fittings to complete ductwork packages.

custom sheet metal ductwork

Built for HVAC & Mechanical Contractors

Lewis Sheet Metal proudly works with:

  • HVAC contractors
  • Refrigeration companies
  • Heating & cooling contractors
  • Mechanical contractors
  • Commercial builders
  • Property management companies
  • Companies with a sheet metal division but no fabrication shop


Many contractors have experienced installation crews but limited shop capacity. Lewis Sheet Metal becomes an extension of your business by providing overflow shop support, one-off custom fittings, and complete ductwork packages whenever you need additional production support.

Instead of investing in an in-house fabrication shop, additional shop space, or extra labour, you can rely on our experienced team to deliver the components you need while your crews stay focused on installation.

Why Choose Lewis Sheet Metal?

Commercial contractors choose Lewis Sheet Metal because we understand the importance of quality, speed, and dependable service.

We offer:

Once your drawings are approved, your order moves into production promptly Standard orders follow our regular production schedule, while express two-day, one-day, and same-day quick-build services are available for urgent requirements. When your order is complete, you can arrange pickup or delivery to your project site.

Custom fittings for ductwork
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Marcus Leno profile picture
Marcus Leno
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Very nice to work with and do great work. Thanks.
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Corey Anderson profile picture
Corey Anderson
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K Lewis Construction Survey did an outstanding job laying out the hangers for a radiant ceiling system in a large downtown office building. The project involved around 8,500 points, and their team handled it with impressive accuracy and efficiency. Not only was the layout precise, but they also went above and beyond by identifying deficiencies in the concrete. This proactive step helped protect us from extra hours and potential rework after their portion was complete—something we really appreciated. Professional, detail-oriented, and easy to work with. I would definitely recommend K Lewis Construction Survey to anyone looking for reliable and skilled surveyors.
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Emrys Prussin profile picture
Emrys Prussin
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Very knowledgeable
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Valdes Holdings profile picture
Valdes Holdings
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Highly recommend
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Clifford Morrison profile picture
Clifford Morrison
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Precise work and great turn around time on orders. They are also friendly.
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Curtis Erickson profile picture
Curtis Erickson
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Keir and his team are light years ahead of anyone else on the island with their 3D modeling capabilities. When they redid my commercial building I found the service and the experience trade people on site made the process flawless. I would highly recommend them.
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Tom Plumb profile picture
Tom Plumb
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Poised to be leaders in their industry with their progressive attitude and Lean philosophy.

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