Sigma Sheetmetal Products Ltd

Manufacturer & Supplier of Sheetmetal Products

Sigma Sheetmetal Products manufactures building products, Triumph water heating solutions, Eden boxes and bins. Sigma Sheetmetal Products are the one stop shop for custom built cylinders, flashings and soakers. Sigma have a team of vastly experienced and talented fabricators that work with copper, aluminium, galvanised and stainless steel to create quality products. Our motto is “If you can draw it, we can make it”.


Our Brands

Sigma Building Products have manufactured a range of flashings, soakers and louvres in New Zealand since 1997. Products are available in high quality Galvanised Steel, Stainless Steel, Aluminium and Copper.


Triumph Hot Water cylinders have been manufactured in New Zealand since 1948. Triumph cylinders are built from heavy gauge material to ensure they continue performing for many years and are available in sizes from 25 to 3000 litres for both residential and commercial applications.


Eden tool boxes, storage cabinets and bins have been manufactured in New Zealand since the 1950’s. The Eden brand is synonymous with quality and longevity.


Solarmax solar collector panels have been manufactured in NZ for over 30 years. Solarmax panels uses copper tubeways, pressure stitched into metal absorber plate, giving maximum conductivity and increased heat transfer.


Custom Fabrication Specialists

We live and breathe custom fabrication, it’s what makes us get out of bed in the morning.  If you have a curly one to solve or a tricky installation – get in touch with us, you won’t regret it.  Nine out of ten times we can provide a solution that will work perfectly.

Scroll to Top