WARRANTIES & MAINTENANCE

ZINCALUME®

Zincalume® coated steel combines the barrier protection of aluminium with the sacrificial protection of zinc, giving the advantage of both metals. The resulting alloy coating enhances corrosion resistance, making it ideal for applications like roofing and cladding.

 

For residential homes, New Zealand Steel warrants that, when used as a roofing product, Zincalume® will not perforate through corrosion within 15 years in moderate and inland environments. For commercial buildings such as schools and warehouses, refer to New Zealand Steel for details of commercial warranties.

 

A moderate environment is characterised by:

  • Little or no salt deposits

  • The occassional smell of salt in the air

  • Typically starts 500-1000m from breaking surf such as is found on exposed coasts, or in the immediate vicinity of calm salt water such as estuaries

Not recommended (or warranted) in severe or very severe environments.

COLORSTEEL® ENDURA™

The perfect roofing material for everything from mild to moderate inland conditions to more severe coastal environments. Also recommended for cladding on buildings that experience mild to moderate conditions.

For residential homes, New Zealand Steel warrants that, when used as a roofing product, Colorsteel® Endura prepainted steel will not flake, peel or excessively fade within 15 years and will not perforate through corrosion within 15 years in severe environments and 30 years in moderate and inland exposures. For commercial buildings such as schools and warehouses, refer to New Zealand Steel for details of commercial warranties.

Please ensure you request your New Zealand Steel Warranty through Taranaki Steelformers at the time of ordering.

A moderate environment is characterised by:

  • Little or no salt deposits

  • The occassional smell of salt in the air

  • Typically starts 500-1000m from breaking surf such as is found on exposed coasts, or in the immediate vicinity of calm salt water such as estuaries

A severe environment is characterised by:

  • Little salt deposits

  • A frequent smell of salt in the air

  • Typically starts 100-500m from breaking surf such as is found on exposed coasts

  • In the immediate vicinity of large expanses of calm salt water such as harbour foreshores

​These environments may be extended inland by prevailing wind and local conditions.


This is a guide only. Each warranty is assessed on a case by case basis. Please enquire with a Steelformers representative for further advice on the appropriate product to suit your location.

COLORSTEEL® MAXX™

For residential homes, New Zealand Steel warrants that, when used as a roofing product, Colorsteel® Maxx prepainted steel will not flake, peel or excessively fade within 15 years and will not perforate through corrosion within 15 years in very severe environments or 20 years in severe environments and 30 years in moderate and inland exposures. For commercial buildings such as schools and warehouses, refer to New Zealand Steel for details of commercial warranties.

Please ensure you request your New Zealand Steel Warranty through Taranaki Steelformers at the time of ordering.

A moderate environment is characterised by:

  • Little or no salt deposits

  • The occassional smell of salt in the air

  • Typically starts 500-1000m from breaking surf such as is found on exposed coasts, or in the immediate vicinity of calm salt water such as estuaries

A severe environment is characterised by:

  • Little salt deposits

  • A frequent smell of salt in the air

  • Typically starts 100-500m from breaking surf such as is found on exposed coasts

  • In the immediate vicinity of large expanses of calm salt water such as harbour foreshores

A very severe environment (which starts 25m from the high water mark on the East Coast and 50m on the West Coast) is characterised by:

  • Heavy salt deposits

  • The almost constant smell of salt spray in the air

  • Close to breaking surf such as is found on exposed coasts

These environments may be extended inland by prevailing wind and local conditions.

This is a guide only. Each warranty is assessed on a case by case basis. Please enquire with a Steelformers representative for further advice on the appropriate product to suit your location.

COLORSTEEL® DRIDEX®

& DRIDEX+®

Designed with a layer of fleece on the underside of each sheet that collects, stores and then releases moisture, Colorsteel® Dridex® is an advanced solution that makes the roofing installation process faster and delivers a drier, healthier home.

Within the range, there are two unique products – Colorsteel® Dridex® has been created for moderate conditions. Its sister product, Colorsteel® Dridex®+, has been developed for more severe coastal environments. Both products are suitable for a wide range of structures, including rural, commercial and residential buildings. Dridex® is not available in Zincalume® or Galvsteel.

COMMERCIAL WARRANTIES

Commercial warranties are issued through Taranaki Steelformers by New Zealand Steel and the terms are specific to each contract.

In order to ensure the appropriate product is specified for the intended service life in any given environment, New Zealand Steel is keen to be consulted as early as possible in the design stage to ensure correct material selection and backing by an appropriate warranty.

Warranty applications are generally made through the roofing manufacturer and warranty periods and conditions are assessed by New Zealand Steel.Factors such as roof design, roof pitch, profile, coating type, internal and external environments and other special conditions are all assessed at the time of the warranty application. Maintenance requirements will be specified as part of the warranty.

Draft warranties are available from New Zealand Steel to support tenders for specific projects. The terms and conditions of the draft will remain unchanged providing that the terms of the project are unaltered.

A warranty is issued on the satisfactory completion of the contract. Installation must be carried out in accordance with New Zealand Steel’s requirements and according to good trade practices as detailed in the “Profiled Metal Roofing Design and Installation Handbook”.

A site inspection by New Zealand Steel may be carried out prior to the issuing of any warranty.

MAINTENANCE

The maintenance programme specified in the warranty must be complied with to maximise the life of the product and to validate the warranty.

All roofing and cladding products are subject to the cumulative effects of weather, dust and other deposits. Normal rain washing will remove most accumulated atmospheric contaminants from roofs. For wall cladding, manual washing every 3 to 12 months, depending on the paint system, is recommended in moderate to very severe environments to prevent accumulation of dirt, debris or other material not removed by rain washing.

 

For areas that do not receive any or adequate rain washing (called unwashed areas) such as soffits, wall cladding under eaves, underside of gutters, fascias, sheltered areas of garage doors and unwashed roof areas, more extensive manual washing is required.

 

Similarly, other high risk areas, around flues, under television aerials or overhanging trees and sites prone to mould, lichen, bird droppings or debris, need to have extensive manual washing.

Regular washing of steel products increases the durability by reducing attack from airborne salts and pollutants. Steel surfaces should be manually washed with water and a sponge or a soft nylon-bristled brush. For large areas it may be more appropriate to use water blasting at pressures up to 20Mpa.

CARING FOR COLORSTEEL®

​The maintenance programme specified in the warranty must be complied with to maximise the life of the product and to validate the warranty. Colorsteel® products are made to be durable and low maintenance, but they still require looking after.

The limits of rain
Areas that aren’t reached by rainfall needs to be cleaned manually, to ensure debris doesn’t build up. Cleaning your Colorsteel® product manually will increase the longevity, as it reduces the effects from salt and other pollutants in the air. It’s is also a matter of keeping your Colorsteel® warranty valid.

Areas that require a more extensive clean:​

  • Soffits

  • Wall cladding under eaves

  • Underside of gutters

  • Fascias

  • Sheltered areas of garage doors and unwashed roof areas

  • Around flues

  • Under television aerials

  • Sites prone to mould, lichen, bird droppings or debris

Clear your gutters
Gutters can become clogged by leaves, twigs and other debris. This can cause a number of problems around your home such as a leaky roof, mould and mildew. Clear your gutters every three months to ensure they function correctly.

Catching issues early
Regular roof maintenance will significantly reduce the chances of damage. Examine your roof at least twice a year, this will allow you to respond to any issues before they become more serious.

Inside your home and ceiling space look out for:​

  • Places where the ceiling is sagging

  • Signs of water damage or leaking

  • Dark spots that might indicate mould

  • Outside light peeking through

Outside your home look out for:

  • Fastenings that appear loose

  • Roof attachments that appear loose

  • Clogged or loose gutters and/or downpipes

If you notice any of these issues, contact your local Steelformers branch for advice.

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TARANAKI STEELFORMERS LTD

23 Katere Road

Waiwakaiho

New Plymouth 4312

0800 4 ROOFING

06 7583831

NPOffice@steelformers.co.nz

 

 

STEELFORMERS STRATFORD

Mountain Road

PO Box 36

Stratford 4332

0800 655 142

06 7655191

stratford@steelformers.co.nz

WANGANUI STEELFORMERS

380 Heads Road

Castlecliff

Wanganui 4501

0800 800 077

06 3445142

chris@steelformers.co.nz

sara@steelformers.co.nz

KING COUNTRY LONGRUN

Huia Street

PO Box 7

Taumarunui 3920

07 8956464

blair@steelformers.co.nz

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