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  • Home
  • Products
    • Roofing
      • Permalite Alspan®
      • Permalite LT7®
      • Permalite V-Rib®
      • Permalite Waveline®
      • Permalite Alsulate-125®
      • Rainwater Goods
    • Structural
      • Purlins
      • Floor Planks
      • Extrusions
    • Residential
    • Permalite® Finishes & Colour
    • Fastening Systems
  • Why Permalite®
    • About us
    • Corrosive Environments
    • Cost Effective
    • Warranty
    • Sustainability
    • Benefits of Aluminium
  • Suitable Environments
    • Water Treatment & Storage
    • Coastal Architecture
    • Mining Infrastructure
    • Ports, Jetties & Ship Loaders
    • Agriculture & Bulk Storage
    • Aquatic Centres
    • Govt & Defence
  • Tools
    • Warranty Estimation
    • Warranty Application
    • Warranty Listing
    • Specification Form
    • Specification Listing
    • Specification Download
    • Brochures
    • Technical Manuals
    • Expectant Warranty
    • CAD Files
    • Log In
    • User Profile
    • Register
    • Log Out
  • News
    • Latest News
    • Case Studies
    • Gallery
    • Sign Up
  • Contacts
    • Request a Quote
    • Ask Us To Specify
    • Export Sales

Water Treatment & Storage

Some of the earliest applications of aluminium sheeting in Australia relate to water storage facilities.

Water authorities around Australia generally select materials on the basis of a maintenance free design life of 60 years.

Our aluminium products meet this rigorous selection criteria. Permalite® products have been and continue to be an integral part of Australia’s potable water supply system.

Suitability for Contact with Drinking water

Permalite Claddings and Purlins have been tested to AS/NZS 4020:2018 – Testing of products for use in contact with drinking water by NATA accredited, AWQC, with the following results:

AS/NZS 4020:2018 – Testing of products for use in contact with drinking water
Clause Criteria Results
C Taste Passed at an exposure of 9840 mm2 per litre
D Appearance Passed at an exposure of 30,000 mm2 per litre
E Growth or Aquatic Micro-Organisms Passed at an exposure of 7500 mm2 per litre
F Cytotoxic Activity Passed at an exposure of 30,000 mm2 per litre
H Metals Passed at an exposure of 9840 mm2 per litre
6.8 Organic Compounds  Passed at an exposure of 30,000 mm2 per litre

Finishes tested include:

Aluminium Temper Material Finishes 
5251 H38 Roof and Wall Cladding and associated Flashings
Mill Finish
Pre-Painted by BlueScope
5052 H36  Structural Roof Purlins and Wall Girts and associated connection brackets  Mill Finish

Please refer to Appendix 10 of the Aluminium Roofing Solutions Guide for the full Final test report.

Additionally, Trocellen Crosslinked Polyethylene material used for Permalite Foam infills have been tested to AS/NZS 4020:2005 – Testing of products for use in contact with drinking water by NATA accredited, AWQC, with the following results:

AS/NZS 4020:2005 – Testing of products for use in contact with drinking water
Clause Criteria  Results 
C Taste Passed at an exposure of 15,000 mm2 per litre
D Appearance Passed at an exposure of 15,000 mm2 per litre
E Growth or Aquatic Micro-Organisms Passed at an exposure of 15,000  mm2 per litre
F Cytotoxic Activity Passed at an exposure of 15,000 mm2 per litre
H Metals Passed at an exposure of 15,000  mm2 per litre
6.8 Organic Compounds  Passed at an exposure of 15,000 mm2 per litre

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