J.Johnstone Engineering Ltd
Sheet Metal Work
Here at J Johnstone Engineering we work with stainless steel and mild steel. We are able to manufacture and install a wide range of products and systems including:
- Ducting and ventilation systems
- Hoppers and Chutes
- Machine Guards
- Tanks
- Wall and Floor Cladding
Offer all types of Sheet Metal Fabrication
We provide reliable sheet metal fabrication for commercial, industrial, and private customers. From one-off custom parts to repeat jobs, we deliver accurate, clean workmanship with quick turnaround times.
If you need parts cut, formed, rolled, or assembled, we can help—using the right process for the job and finishing to a professional standard.
Our Sheet Metal Services
Plasma Cutting
Fast, accurate cutting for a wide range of sheet and plate sizes. Ideal for brackets, panels, base plates, repairs, and custom shapes.
Press Brake Folding
Precision folding to create clean bends and consistent angles. Great for trays, brackets, channels, frames, and formed sections.
Box & Pan Folding
Perfect for producing boxes, trays, pans, and enclosures with neat corners and consistent folds.
Guillotine Cutting
Straight cuts with clean edges for sheets cut to size—ideal for prepping material for folding, fabrication, and assembly.
Rolling
We roll sheet metal to create smooth curves and cylinders for ducting, guards, sleeves, and round sections.
Cones
Custom rolled cones for specialist applications including hoppers, transitions, and industrial fittings.
Tanks & Boxes
We fabricate metal tanks, boxes, and enclosures to suit your requirements—built strong, practical, and ready for installation or finishing.
What We Can Make
Panels and covers
Brackets and supports
Trays, channels, and formed sections
Cylinders, cones, and transitions
Tanks, boxes, and enclosures
- Custom one-off fabrications
Cone Rolling
We offer cone rolling services for a wide range of sheet metal applications, with a capacity of up to 3mm thickness and 900mm length.
Our cone rolling service allows us to form accurate tapered sections to suit various fabrication requirements. Whether for industrial, commercial, or bespoke projects, we produce consistent, well-formed cones ready for further fabrication or installation.
Suitable for:
- General fabrication
- Transitions and ducting
- Hoppers and chutes
- Cylinders and tapered sections
- Custom metal projects
We work with a variety of materials and can accommodate both one-off jobs and repeat production runs.
Contact us with your requirements to discuss your project or request a quote.
Staircase Tread Plates (Bent & Formed)
We manufacture and supply bent staircase tread plates for industrial, commercial, and marine applications. Using precision press brake folding, we form tread plates to create strong, durable steps with clean bends and consistent angles.
Ideal for workshops, warehouses, plant rooms, dock areas, and access staircases, our tread plates can be produced to suit your required dimensions and specifications.
We can provide:
Folded tread plates with anti-slip patterns
Custom widths and lengths
Formed nosings for added strength and safety