oa Specifier - A practical guide to aluminium window U-values : cover story

Volume 44, Issue 4
  • ISSN : 0007-344X



The purpose of this article is to provide a practical guide on how to calculate U-values required complying with current South African Energy Efficiency legislation as explained in SANS10400XA, SANS204 and SANS613 (the solar heat gain components are beyond the scope of this article).

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