• Available on all trapezoidal and corrugate profiles
• Can be used for roof and wall cladding on most building types — including residential buildings, industrial sheds, and a range of farm buildings

COLORSTEEL DRIDEX® products are not recommended for the following applications: 

• Intensive animal shelters, where the build-up of alkaline fumes may occur
• Swimming Pools, and other structures with continually wet internal environments
• Buildings with harsh internal environments such as galvanising plants, tanneries and meat works
• Fertiliser works
• Embedded in concrete
• In contact with soil, bark or similar
• Geothermal areas
• Shelters and buildings where fumes are generated such as fuel stations
• Guttering
• Flashings
• Downpipes

Before using COLORSTEEL DRIDEX® products in these environments please consult one of our Business Development Managers for a recommendation.

Copper or brass pipes must not be allowed to discharge onto or come into contact with COLORSTEEL® pre-painted steel products. The use of other materials in proximity to COLORSTEEL DRIDEX® must be carefully considered — the COLORSTEEL® Incompatible Materials bulletin should be used as reference.

Mixing with other brands of pre-painted materials on the same building is not recommended.

COLORSTEEL Dridex® is a Type 6 product in accordance with AS/NZS 2728:2013 and therefore is consistent with the NZ Building Code for use in environments as described in Acceptable Solution E2/AS1 Table 20.

COLORSTEEL® Dridex is manufactured by New Zealand Steel Ltd. COLORSTEEL® Dridex is made, tested and trusted for New Zealand conditions.

Standards:

• Steel substrate may be either G300 or G550 consistent with AS 1397:2021
• Metallic coating is consistent with AS 1397:2021
• COLORSTEEL Maxam® is Product Type 6 consistent with AS/NZS 2728:2013 nd therefore is consistent with the NZ Building Code for use in environments as described in Acceptable Solution E2/AS1 Table 20.

Ventilation:

• When tested on a straight gable building, COLORSTEEL DRIDEX® applied to standard corrugate allowed approximately twice the ceiling space ventilation as a roof clad with conventional underlay
• This exceeded the recommended minimum vent area ratio of 1:300 by 57%

Absorption:

• When tested using the principles of AS/NZS 4201.6, DRIDEX® average absorbency was 349 g/m2
• This exceeds the minimum required in NZS2295 by 119%

Colour Retention:

• Colour retention (CIE Lab units Delta E) is 8 units maximum after 10 years exposure, and 10 units maximum after 15 years exposure. Chalk rating (AS 1580:481.1.11:1998) is no more than 4 after 10 years exposure
• Solar reflectance and light reflectance values vary with colour, refer to COLORSTEEL Light Reflectance brochure for details

Fire Resistance:

• COLORSTEEL Dridex® is rated as a Group 1-S materials under the New Zealand Building Code Clause C3.4(a)