The use of the appropriate length of 12g or 14g screw will ensure failure by screw pull out will not occur under loads within the scope of the limit state load roofing span capacity chart.
Super six asbestos roofing.
A common trade name at the time was super six which was available with accessories including ridge and hip cappings barge boards spouting and downpipes.
If you live anywhere else in australia and have corrugated cement fencing it will be super 6 and contain asbestos.
Until the 1980s one of the most common uses of asbestos in australian homes was as roofing material.
So often perfectly sound asbestos super six roofs are removed and replaced with iron unnecessarily building owners are told that their roof is not sound anymore and is a health hazard to staff and the environment.
Corrugated fibre cement sheets have been used in australia for over 40 years in either for fencing or roofing.
Carbon dioxide in the air is slightly acidic.
Corrugated asbestos roofing is thicker than corrugated iron has a matte finish and takes on a weathered appearance over time.
As a result asbestos can be found everywhere from walls to underneath tiles in pipe insulation in wall cladding in fencing and even in roofing which was the most common use for asbestos up until the 1980 s.
The original product was anasbestos cement product known as super six manufactured by james hardie co.
Like other non friable asbestos products super six roofing can release dangerous asbestos fibres when broken or damaged.
Concrete is basic or alkaline.
Super six fastener design.
Super six roofing is a popular name for asbestos cement sheet roofing materials that proved popular for decades.
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Can i paint over an asbestos roof.
Asbestos cement sheet roofing asbestos cement was easily moulded and therefore ideal for use as corrugated roofing.
Super 6 was not the only rounded profile used.
Asbestos super six roof sheeting there are hundreds of thousands of asbestos cement roofs in sydney and even more sources of asbestos in wall and eaves linings and other not so obvious products.
Manufacture ceased in 1985.
Super six roof composition.
It was also made in a shallower profile known as standard which is very similar in profile to corrugated metal roofing and has 25mm 1 inch corrugations.
Whilst there is no doubt that asbestos fibres are not good for your health is it safe to have an asbestos cement roof over your house.
Super six is made with asbestos and concrete.
Super six roofing material can release asbestos.
This is often found in the ceiling space below the roof and in the soil surrounding the property.
Super six should be screw fixed to either timber or steel purlins.
