For sheet gauges less than 2mm new zealand steel produces galvanised steel on their metallic coating line.
Galvanised steel roofing nz.
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Steel tube is one of new zealand s leading providers of steel solutions distributing and processing a range of products from nuts and bolts to roofing and reinforcing and through to the largest structural steel products.
No other aluminium and steel roofing manufacturer can match our range of quality roofing substrates all backed by a comprehensive warranty.
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Gibraltar s galvanized steel corrugated panels are trusted by professionals and homeowners for a variety of applications.
Colorcote roofing has been protecting nz homes and buildings for over 40 years so we ve been doing it better for longer.
Our pre painted long run roofing and cladding products alumigard magnaflow and.
Galvanised zinc coated mild steel corrugate roofing already with a long history of use in new zealand continued to be popular in the 1970s.
There are many processes for galvanising but only products dipped or immersed in a bath of molten zinc can be called hot dipped galvanised the process used for the metallic coating of steel roof and wall cladding.
Galvanised steel is one of the most widely used products used extensively in the building sector automotive agricultural and other areas where the steel needs to be protected from corrosion.
Sizes and profiles during that decade roofing manufacturers adopted metric measurements with the introduction of high tensile 0 40 mm g400 grade and 0 55 mm g 300 grade roofing and new profiles such as.
The zincalume steel coating combines the corrosion protection of aluminium with the sacrificial protection of zinc to create an alloy that s ideal for roofing and cladding in new zealand s demanding environment.
Zincalume coated steel is produced by a continuous hot dip process similar to that used to manufacture galvanised steel.
How to choose a material.
Our galvanised steel roofing products are available in a variety of widths gauges and mechanical grades.
This durable and lightweight panel is ideal for roofing and siding but also has many other uses including.
