Roof battens 1 from table 1 determine the uplift force on the batten to rafter or truss connection.
Fixing metal roof battens.
In exposed conditions unwashed areas subject to salt laden air or other corrosive matter may need additional protection.
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.
Metal roof battens may be used with steel or tile cladding.
Stramit roof and ceiling battens will give excellent durability in most applications.
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.
Repair of sheet metal roofs in cyclonic areas 7.
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.
2 from details sheet 1 determine an appropriate connection with strength equal to or greater than the uplift force determined from table 1.
Metal roof battens may also be used with steel or timber support framing.
Types of roof batten systems.
Roofing cladding steel frame housing general fasteners rivets and tool accessories.
In areas where battens or purlins are not bound on both sides by diagonal bracing battens shall be continuous see figure c1 04 01.
Metal roof battens offer extraordinary strength to weight values and are lighter than timber battens.
When you re ready to secure the battens to the rafters the first step is to ensure you re using the right nails.
Roofing battens batten to timber fixing.
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.
Stramit roof and ceiling battens are not recommended for use in enclosed areas within 450mm of moist soil.
For example elevated battens are standard wood battens that have a block of plastic in some cases wood attached to the underside to elevate.
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.
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.
Each element and fixing in the sequence is essential for roof structure stability.
Fasten the batten to every truss or rafter with a 12x40mm timber fixing screw minimum fixing size through each flange as shown below.
According to bs 5534 the nails used to fix battens to rafters should usually have a diameter of at least 3 35mm.
The roof battens resist the roof battens which in turn transfers it to the steel roof bracing and down to the supporting structure.