Choose an option 64mm x 34mm x 20 x 6mm 75mm x 34mm x 20mm x 6mm 96mm x 34mm x 20mm x 6mm.
Top hat roof battens sizes.
This assumes a maximum batten spacing of 300mm and a maximum tile weight of 0 67 kpa.
Fasten the roof sheets to the batten as per the roofing specifications.
End fastenings of top hats or battens are recommended to be at least 25 mm from the section end irrespective of whether this occurs at the structure end or at an internal support the absolute minimum required by as4600 is 1 5 d.
Choose an option 75mm 1 00mm.
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.
Fix through the ridge capping into the roof batten using the appropriate screws.
Fixing to the ridge.
Home order steel online purlins top hats top hat battens.
Ideal for ceiling fixings roof trusses and as a substitute for purlins and girts in industrial buildings.
Metroll recommends that good trade practice is followed such as that found in australian standards handbook hb39.
Fis the nominal screw diameter.
Fasten the batten to every truss or rafter with a m5 5 x 40mm batten zip minimum fixing size through each flange.
Metroll has a wide selection of structural steel products that are suitable for a variety of applications.
In these cases structural continuity must not be assumed.
The overlap must be supported over a truss or rafter.
To minimise cutting lay the battens in one direction starting from one end of the roof.
Fixing to roof sheets.
Top hat battens quantity.
5 top hat overlaps or non structural laps are recommended to be a minimum of 100mm in length.