This assumes a maximum batten spacing of 300mm and a maximum tile weight of 0 67 kpa.
Metal roof batten spacing australian standard.
Cyclonic roof batten 0 75mm bmt g550 40mm high.
Available in standard 0 55mm and 0 75mm gauge for cyclonic areas.
Pole buildings with metal roofs are typically built with metal roofs resting.
Metal roof battens have been in use in australia for around 40 years.
Based on the foot traffic requirements of as3623 the maximum span for stramit 0 48 roof batten is 900mm and stramit 0 55 roof batten is 1200mm.
Base metal thickness yield strength coating mass maximum span maximum sheet roof spacing maximum tile roof spacing batten mass 0 55 mm 550 mpa 150 g m2 1500 mm 1200 mm 330 mm 0 71 kg m manufactured from hi tensile zinc alum steel stratco roofing battens comply with australian standard 1397 g550 az150.
Refer to stratco for applications in higher wind conditions.
Although the standard spacing of roof trusses may be the same as that of rafters with 24 inch spacing being a common option the design of a truss may allow for the use of a lower grade of lumber than would be required for rafters with comparable spacing and span.
Metroll roof battens are an effective alternative to timber battens or purlins.
Metal roof battens may be used with steel or tile cladding.
Standard roof batten 0 55mm bmt g550 40mm high.
Available in mto lengths.
Steeline roof battens are impervious to white ants borers or rotting.
Metal roof battens may also be used with steel or timber support framing.
Steeline metal roof battens are a versatile and easy to use batten compatible with all roof.
Metal roof battens offer extraordinary strength to weight values and are lighter than timber battens.
Batten spacing mm batten span spacing of rafters for internal areas mm 600 900 1200.
Supplement for roof batten 4 example.
Metroll roof battens may vary slightly between branches.
Roofing battens are suitable for non cyclonic conditions up to and including w41 n3.
If additional fall protection is required on steel sheet roofs stratco ceiling battens may be fixed intermittently between stratco roofing battens giving a batten spacing no greater than 600mm.
Figure 3 figure 1 figure 2 figure 5.
