This Standard incorporates Amendment No. The changes required by the Amendment are indicated in the text by a marginal bar and amendment number against the clause, note, table, figure or part thereof affected. This Edition incorporates the following changes: This is a free 10 page sample. These categories are based on heat flux exposure thresholds see Table 3. The slope of ground has also been clarified in Section 2 and a description and measurement of slope is included in Clause 2. This Edition takes into consideration building elements and materials that have been subjected to established test methods, such as AS
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Summary of our mesh products compliance with AS Australia has a long history of bushfires endangering properties all across the country. Protecting existing, established homes from the onset of bushfire attacks was and still is the responsibility of the owner or occupier. In more recent times the state fire authorities have published recommendations for how to best prepare for bushfire attacks and all of them indentify the importance of ensuring the roof guttering systems are clear and free of leaf litter and debris.
Some state fire authorities go a step further and also suggest that "quality metal leaf guards" be fitted. Recommendations were heard regarding the potential benefits of addressing bushfires at a construction and design level and in The Australian Standard for building in bushfire prone areas AS was released. This standard indentified five 5 risk levels of bushfire attack and included 3 separate construction levels. These construction levels placed specific requirements on the building products to be used in the construction of any new dwelling or major renovation of an existing dwelling.
In November a new standard was released making AS the current Australian Standard for which gutter guard needs to comply with. In addition to the requirements of The Australian Standard For Building In Bushfire Prone Areas, relevant local councils and state fire authorities may also add conditions as part of development applications DA for construction or land subdivisions.
What demands on gutter guard does the current Australian Standard AS make? However any product which has a paint coating over a metal base would not pass AS Our aluminium guttermesh has been tested in accordance with AS What is ember guard and what are the ember guard requirements?
Ember guards are designed to create a barrier to restrict burning embers from gaining access into a home via any small gaps which were previously not addressed.
The specification on ember guards does change as the BAL increase. One of the most common areas we are asked to supply ember guard for is to address the underside of roof corrugations.
However the Australian Standard extract below identifies several other methods of addressing this area also ; 8. Karben Industries.
Australian Standard AS 3959 Construction of Buildings in Bushfire Prone Areas - Western Australia
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As 3959-2009 Construction of Buildings in Bushfire-prone Areas