The APA's Part L guide is an objective review of the
proposals, containing practical guidance on how to meet the requirements without significant
changes to existing build methods.
The major Aircrete manufactures are currently advising construction professionals to contact them
for dependable, practical advice on how to meet the proposed new energy regulations. To support
this, the APA has produced a Guide to the Consultation Document detailing the main
issues surrounding the proposals and containing their collective advice on how to comply with the changes.
The proposed amendments are causing a great deal of debate within the industry, much of it
characterised by confusion and misinterpretation. This guide however, provides unambiguous, factual
clarification of the implications, featuring valuable technical advice as well as sound practical guidance
on how Aircrete will remain the most flexible and cost effective means of achieving the proposed
requirements without wholesale changes to construction methods.
A shortform document is expected in spring 2005 ahead of the new regulations which will come
into force in early 2006.
The primary objective behind the Part L proposals is to improve whole-of-building energy efficiency
as part of the government's commitment to reduce carbon dioxide emissions. Rather than concentrating
on single elements, the energy performance of a dwelling as a whole must be assessed, which means tried
and tested forms of masonry construction will continue to be used to meet higher overall standards.
Aircrete is favoured because it is easy to build with using widely available skills whilst yielding
minimal wastage. In the case of homeowners, it gives them what they repeatedly state they want - the
solid feel of masonry walls, combined with the insulating qualities offered by Aircrete.
The proposed regulations, will in the majority of cases, allow the continued use of existing wall
constructions with minimal modifications and the Part L requirements will continue to be achieved
more cost effectively with aircrete masonry construction than with timber or steel frame.
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