Sheet metal manufacturing underway in Auckland
Specialists in Flashing Manufacture and General Sheetmetal Fabrication – Commercial, Residential, Industrial

Quality sheet metal in Auckland

To provide the best sheet metal in Auckland has always been Monaghan Sheetmetals Ltd's goal, and we work hard to make sure that our clients are supplied with quality products and are always served with outstanding customer service.

Our sheet metal workshop houses advanced machinery that delivers the best results. At Auckland's Monaghan Sheetmetals Ltd, no order is too large or too small. We treat each customer with the utmost value, as customer satisfaction is what is important to us.

Take a look at our services!

Custom welding

Our qualified welders are experts in welding the following:
  • Aluminium
  • Stainless Steel
  • Mild Steel
  • VM Zinc
  • Copper
  • Galvanised
  • Brass
Contact us today!


We stock a large range of the following sheets, in lengths up to 5 metres long.
  1. Mill Aluminium - gauges .7 - .9 - 1.2 - 1.6 - 2mm - 3mm
  2. Anodised Aluminium - Silver - Bronze - Black
  3. Stainless Steel - various Finishes and gauges
  4. Colour Steel - Standard colours
  5. Copper - Sheet and coil
  6. Zincalume - gauge 0.55
  7. Galvanised iron - all gauges
  8. Steel - various gauges - hot - cold - corten
  9. Zinc

Specialised metals

We are able to source a wide range of specialty metals, such as:
  1. Perforated: all metals, including customised perforation to your own design
  2. Stainless Steel: Wide range of colours, finishes and patterns
  3. Mesh and woven products
  4. Checker plate - propeller plate - non slip plate
  5. Aluminium: coloured – etched – brushed – patterned
  6. Brass
  7. Aluminium Extrusion – wide range available

Surface finishing

We can provide the following finishing solutions:
  1. Powdercoating - Full range of colours and special finishes
  2. Anodising - Standard range - silver – bronze - black (also a range of special colours available)
  3. Perforating - Standard and customised
  4. Galvanising
  5. Polishing


Flashing Fabricators specialise in manufacturing only – and can recommend qualified independent contractors that can measure and install our products.


We can deliver to the wider Auckland area, and arrange transport nationwide and internationally.
Flashing Fabricators specialise in custom made manufacture of the following:

Guillotine Cutting capacity to 5.000 Meters x 10mm Aluminium

x 3mm Stainless Steel
x 6mm Steel

-Press Brake Folding capacity to 4.800 Meters x 6mm Aluminium

x 3mm Stainless Steel
x 4mm Steel
  • Signage
  • Trolleys
  • Cabinets
  • Frames
  • Marine Fabrication
  • Ramps – Railings – Gates - Screens
  • Fascia
  • Cladding
  • Saddle Flashings
  • Interior Architectural metal work
  • Facades
  • Hoppers
  • Light engineering
  • Machine guards
  • Tool Boxes
  • Window & door flashings
  • Cap Flashings
  • Rainwater Heads - scuppers
  • Sculpture
  • Furniture
  • Light Boxes
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