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.
Top hat roof battens sizes.
Fixing to roof sheets.
Ceiling batten spacing is selected to suit plasterboard manufacturer s requirements.
The overlap must be supported over a truss or rafter.
Metroll recommends that good trade practice is followed such as that found in australian standards handbook hb39.
Fasten the roof sheets to the batten as per the roofing specifications.
Top hat battens quantity.
Fasten the batten to every truss or rafter with a m5 5 x 40mm batten zip minimum fixing size through each flange.
In these cases structural continuity must not be assumed.
Fixing to the ridge.
Home order steel online purlins top hats top hat battens.
Top hat battens shop online melsteel.
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.
6 85 12 75 exc.
Choose an option 75mm 1 00mm.
This assumes a maximum batten spacing of 300mm and a maximum tile weight of 0 67 kpa.
Metroll has a wide selection of structural steel products that are suitable for a variety of applications.
Fis the nominal screw diameter.
5 top hat overlaps or non structural laps are recommended to be a minimum of 100mm in length.