Products & Services

Steel Fabricating Products and Services

With almost FIFTY years in the industry, John Duff Ltd. continues to provide products and services specializing in custom metal fabricating for construction, manufacturing, commercial, and agricultural industries.


Shearing & Forming

Our shears are capable of cutting mild steel, aluminum and galvanized up to ½” thick by 13’-6” long. Stainless Steel 3/8” thick,  and up to 13’-6” long. Break forming up to 12’-0” long  by ½” thick plate.
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Fabricating

At John Duff Ltd., we fabricate in all sorts of materials, including mild steel, stainless, aluminum, copper, and brass. We are certified to the Canadian Welding Bureau’s Standard W47.1 & W47.2 (specifically for aluminum welding). Email us with your particular requirements. We will help you complete your project in both a timely and professional manner.
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Aluminum & Stainless Steel Fabricating

John Duff Ltd. is uniquely certified to the Canadian Welding Bureau’s certification W47.2 for aluminum welding, which is often required for such projects as pollution plant work, water treatment plants, aluminum platforms, stairs, railings, etc. In addition, our skilled tradesmen are well known for their craftsmanship when it comes to working with stainless steel. ( in grades 304, 316 and 310)
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Rolling


We have multiple sets of rolls to meet your large to small diameter requirements. Please call us for further information: 519-882-0740.
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Hi-Def Plasma Tables


Our Hi-Def Plasma Table with Tru-Hole Technology is capable of cutting up to 2½” stainless, aluminum and mild steel materials. A vast array of programming is available, including industrial ductwork layouts.
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Pipe Clamps, Custom

We specialize in made to order pipe clamps of all sizes, cast-in or above ground.  All sizes available, starting from 2” to 60” diameter plus.
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Stairs & Railings

John Duff Ltd. can fabricate and supply simple stair pans and stair treads or supply a gloriously complete finished stair with railings as per your specifications. Stainless or aluminum stairs and railings are our specialty. Each one polished and spit-perfect.
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Cones & Industrial Ductwork

Custom cones, transitions, duct work, etc. From light gauge to heavy plate in steel, galvanized, aluminum or stainless.
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Special Projects

Over the years we have been involved with many interesting custom projects. Call us for to see if we can help you out with yours.
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Tube Bending

Custom tube bending up to 2-1/2″ OD.
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Guarding & Roof Access Ladders

Custom Machine Guarding to your unique specifications.
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Truck Decks and Tool Boxes

Custom Truck decks, tool boxes, railings, roof racks, ramps, tailgates,  and design modifications.  WE also specialize in custom trailers, trailer modifications and repairs.
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