Welcome to AGDA
The AGDA is the industry voice of the Australian Garage Door Industry set up to promote professionalism, safety and compliance for all the products and installation involved in the largest and heaviest moving part of a building being the Garage Door. The AGDA is made up of the key garage door & automation Manufacturers and Dealers (including Installers) based within Australian and represent the interests of all members.
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IMPORTANT NCC UPDATES The 2019 National Construction Code updates come into effect on 1st May 2019.
Neil Creek of ShedSafe (part of Australian Steel Institute) has advised AGDA that the updates include Amendment 4 of AS/NZS1170 Part 2, and referred to as the "Wind Code", may have impacts on the garage door industry.
Clause 22.214.171.124 states "Openings in buildings for all cases, except ultimate limit states for parts of buildings below 25 m in regions C and D.
The full area of doors, including large access doors (e.g. roller doors), and windows that are normally closed shall be considered to be
openings, unless they are demonstrated to be capable of resisting the applied wind pressures."
ShedSafe understands that for engineers to design shed structures it will need data from organisations manufacturing doors, for sites in all regions A, B, C & D as defined in the "Wind Code".
The garage door Standard AS/NZS 4505:2012 (reconfirmed 2017) is mandated in the NCC only for regions C & D for cyclonic performance of doors.
This does not preclude consideration of local site conditions in regions A & B as wind pressures at some sites in these regions can be very high requiring enhanced design consideration for the purposes of specification of the building and associated products. The clause 126.96.36.199 in the 1170 Code clearly reinforces this at the design stage.
ShedSafe and other organisations representing a wider range of building designers will be looking for door manufacturers, dealers and installers to provide information about doors to demonstrate they are capable of resisting the applied wind pressures for building design purposes for specific sites.
The NCC can be referenced at www.abcb.gov.au. The NCC 2019 document has been available for public preview from February 2019 and can be accessed by NCC Registration on the site.
AGDA recommends that you contact your door suppliers for their up to date wind ratings to assist with specifying the correct door for any particular application.