Contact Building and Energy
For licensing and technical enquiries
Contact us
Building and Energy general queries
Tel: 1300 489 099
Fax: (+618) 6251 1501
be.info@demirs.wa.gov.au
This industry bulletin provides information on the minimum standard of documentation for timber framed roof construction for domestic single and double storey dwellings, particularly for sites subject to design wind speeds of N1 to N3 (non-cyclonic).
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