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COLORSTEEL DRIDEX
Description

COLORSTEEL DRIDEX is a roof and wall cladding product with an anti-condensation fleece layer adhered to the reverse side. This layer negates the need for separate underlay to be installed prior to the sheets being attached.

Key Features
  • Reduces installation time
  • Installation is less affected by wind, reducing down time
  • Increases roof space ventilation 
  • Greater absorption than conventional underlays
  • No need to worry about sags, gap, or rips
  • A clean, aesthetically-pleasing appearance

 

 

Environmental Choice (ECNZ) Licensed
ECNZ Licensed
Homestar / Green Star (Envirospec) Compliant
Homestar / Green Star
NZ Made
NZ Made
Scope of Use
  • 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 is suitable for mild to moderate environments
  • COLORSTEEL DRIDEX+ can be used in severe marine environments
Limitations on Use

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.

The mixing of COLORSTEEL brands, such as ENDURA and MAXX, between accessory feed and roof cladding is acceptable where appropriate. However, mixing with other brands of pre-painted materials on the same building is not recommended.

Statement of Building Code Compliance

COLORSTEEL DRIDEX is a Type 4 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 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.

In-Service History

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

Other Performance Attributes

Standards:

  • Steel substrate may be either G300 or G550 consistent with AS 1397:2011
  • Metallic coating AZ150 (COLORSTEEL DRIDEX) and AZ 200 (COLORSTEEL DRIDEX+) are consistent with AS 1397:2011
  • COLORSTEEL DRIDEX is rated as a Type 4 product when tested in accordance with AS/NZS 2728:2013349
  • COLORSTEEL DRIDEX+ is rated as a Type 6 product when tested in accordance with AS/NZS 2728:2013
  • Tolerances are consistent with the requirements of AS/NZS 2728:1996

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 & COLORSTEEL DRIDEX+ are rated as a Group 1-S materials under the New Zealand Building Code Clause C3.4(a)

Drinking Water

  • Both COLORSTEEL DRIDEX & COLORSTEEL DRIDEX + samples tested in accordance with AS/NZS 4020:2005 passed the requirements for products in contact with drinking water.
CodeMark
CodeMark
Documents
COLORSTEEL DRIDEX+ Product Technical Statement
DRIDEX Product Technical Statement
CodeMark Certificate
Environmental Choice Certification
Environmental Categories, Warranty & Product Maintenance Recommendations
Maintenance Instructions
Incompatible Materials Bulletin
COLORSTEEL DRIDEX Brochure
Full COLORSTEEL Guides and Brochures Range
Colour Range
Order Samples
Supplier Directory

COLORSTEEL® is made, tested and trusted for New Zealand conditions — Inspired by surrounding colours and landscapes, COLORSTEEL strives to create products that will in turn inspire.

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