Roof battens table 7 version updated december 2017 roof masses used in tables 10kg m2 polycarbonate metal roofing and battens 20kg m2 metal roofing battens and.
Pine roof batten span tables.
Battens footing knee brace beam post hot dipped galvanised stirrup ends of rafters and.
Each product has different requirements for example batten spacing for 0 42bmt corrugated metal roofing needs to be no more than 1100 mm apart but batten spacing for 0 48bmt metal roofing can be up to 1600 mm apart.
2 bolt ø 6 bolt ø bolts are per table 35 mm min 150x90x10 mm m s.
Your choice of batten size here will be determined by the weight and span of your metal roof panels.
Ns not suitable batten spans wind classification n1 n2 batten spacing 600 mm batten spacing 900 mm batten spacing size 1200 mm.
Span tables allow users to choose an appropriate size and stress grade to achieve spanning needs.
Maximum continuous span m rite pine rite pine rite pine meypine 400 90x42 f7 90x42 f7 1 3 1 3 1 1 1 7 1 6 1 5.
Stress grades and timber sizes combine to determine the spanning ability of load carrying members.
Refer to as1684 2 and 3 clause 2 6 4 for other configurations.
Roof load width for beam b span span span beam b.
For the pergola beams shown in illustration the roof load width is the dimension representing half the rafter span plus any rafter overhang.
A maximum roof pitch of 25 degrees is assumed.