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.
Weight of super 6 roofing.
Super six should be screw fixed to either timber or steel purlins.
As1170 1 2002 ta2 13mm 27 2 13 5.
6 mm fibre cement sheet.
None asphalt roll roofing 1 1 lb m ft 2 5 4 kg m 2 asphalt shingle or asphalt fiberglass composite shingle 2 7 lb m ft 2 13 2 kg m 2.
Asbestos fibres are frequently found in the ceiling space below a super six roof.
The weight of corrugated.
This can occur in a number of ways two examples are given below.
As1170 1 2002 ta2 13mm 27.
10 mm softwood t g lining two sides.
As nick has stated the cawr asbestos licencing regs define asbestos cement as having a density in excess of of 1000kg m3.
6 mm tiles one side.
Owens corning roofing and asphalt.
Built up roof membrane 3 ply gravel surfaced.
How to tell the difference between super six and.
Super 6 was not the only rounded profile used.
Fibres in the ceiling space.
Small cracks in the super six over time.
The asbestos test data shows that large quantities of fibres are found in rainwater from a pva sealed super six roof.
Posted by steve99jones stuart i think that you will find nick is making reference to the unit weight of the material itself not the weight of a stack of corrugated sheets which fill a void 1m x 1m x 1m.
Asbestos cement sheet roofing asbestos cement was easily moulded and therefore ideal for use as corrugated roofing.
Super six fastener design.
The weight of roofing constructions above the truss rafter may be estimated with the calculator below.
Owens corning roofing and asphalt.
Asbestos nominal width ft in weight cover per 100 width sq ft as ft laidlb 1 100 colour grey rooflights dead type unglazed 10 long 9 radius asbestos wikipedia the free encyclopedia.
It was cheap durable easy to install and fire resistant.
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.
12 mm softwood t g lining two sides.
6 mm tiles two sides.
If you live anywhere else in australia and have corrugated cement fencing it will be super 6 and contain asbestos.
Built up roof membrane 4 ply gravel surfaced.
Built up roof membrane 3 ply smooth surfaced.