2 from details sheet 1 determine an appropriate connection with strength equal to or greater than the uplift force determined from table 1.
Fixing metal roof battens.
Roof battens 1 from table 1 determine the uplift force on the batten to rafter or truss connection.
Metal roof battens have been in use in australia for around 40 years.
Fix the battens into place.
While roof battens are most commonly made of metal or wood they can be made of other materials like plastic or composite there are several different types of batten some combine two materials to get the needed affect.
Batten to steel fixing.
In exposed conditions unwashed areas subject to salt laden air or other corrosive matter may need additional protection.
Fasten the batten to every truss or rafter with a 10x16mm hex head self drilling screw minimum fixing size through each flange as shown below.
For example elevated battens are standard wood battens that have a block of plastic in some cases wood attached to the underside to elevate.
Metroll roof battens may vary slightly between branches.
Standard roof batten 0 55mm bmt g550 40mm high.
By design some metal roofs must be installed over battens some must never be installed over battens and some can be installed over battens or solid decking.
Available in standard 0 55mm and 0 75mm gauge for cyclonic areas.
Metal roof battens may be used with steel or tile cladding.
Roofing cladding steel frame housing general fasteners rivets and tool accessories.
Stramit roof and ceiling battens will give excellent durability in most applications.
When you re ready to secure the battens to the rafters the first step is to ensure you re using the right nails.
Metal roof battens may also be used with steel or timber support framing.
Repair of sheet metal roofs in cyclonic areas 7.
Types of roof batten systems.
Ceiling battens can be supplied either stand alone or with a hanger tab to accommodate different installation requirements and is suitable for residential and commercial internal applications.
Metalcraft roofing s ceiling batten system is easy to install and manufactured using 0 55 bmt g550 high tensile z275 galvanised steel from new zealand steel.
Stramit roof and ceiling battens are not recommended for use in enclosed areas within 450mm of moist soil.
Fixing to timber and light metal zips zips are the recommended solution for softwood timbers and light weight metal battens up to 1 5mm thick.
According to bs 5534 the nails used to fix battens to rafters should usually have a diameter of at least 3 35mm.
Available in mto lengths.
Fasten the batten to every truss or rafter with a 12x40mm timber fixing screw minimum fixing size through each flange as shown below.
Cyclonic roof batten 0 75mm bmt g550 40mm high.
Metal roof battens offer extraordinary strength to weight values and are lighter than timber battens.
