Pine Roof Batten Span Tables

For the pergola beams shown in illustration the roof load width is the dimension representing half the rafter span plus any rafter overhang.

Pine roof batten span tables.

A maximum roof pitch of 25 degrees is assumed. Your choice of batten size here will be determined by the weight and span of your metal roof panels. Span tables allow users to choose an appropriate size and stress grade to achieve spanning needs. 2 bolt ø 6 bolt ø bolts are per table 35 mm min 150x90x10 mm m s.

Roof load width for beam b span span span beam b. Technical diagram span tables f7 rafters on page 35 30mm m aximum allow able sp ans mm sheet roof spacing mm rafter size 600 760 900 1000 1200 66 x 30 1250 1150 1050 1000 950 90 x 30 1650 1550 1550 1400 1300 138 x 30 2600 2300 2150 2000 1800 185 x 30 3000 2650 2450 2350 2150 230 x 30 3050. Ns not suitable batten spans wind classification n1 n2 batten spacing 600 mm batten spacing 900 mm batten spacing size 1200 mm. For simple construction such as domestic construction this can be determined from span table supplements in as1684 2 and as1684 3.

Refer to as1684 2 and 3 clause 2 6 4 for other configurations. 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. Battens footing knee brace beam post hot dipped galvanised stirrup ends of rafters and. Stress grades and timber sizes combine to determine the spanning ability of load carrying members.