Pine Roof Batten Span Tables

Roof load width rlw and floor load width flw can be determined from as1684 or from the images below.

Pine roof batten span tables. Roof load width for beam b span span span beam b overhang 35 mm min 2 bolt ø 5 bolt ø 4 bolt ø post 6 bolt ø 4 bolt ø 5 bolt ø 2 bolt ø 6 bolt ø bolts are per table 35 mm min 150x90x10 mm m s. Refer to as1684 tables for other overhang spans. Stress grades and timber sizes combine to determine the spanning ability of load carrying members. Span tables allow users to choose an appropriate size and stress grade to achieve spanning needs.

Listed are 46 tables based on common loading conditions for floor joists ceiling joists and rafters. 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. All tables have been reproduced from as1684 2006 residential timber framed construction standard and assumes that a roof sheet mass of 10 kg m2 is added. 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.

For each application a pdf download is available. Ns not suitable general notes 1. Maximum overhang of batten is 250 mm. Spacing should be interpreted as the centre to centre distance between adjacent parallel members.

Maximum wind speed n2 refer to as4055 for site wind. 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. Angle bolts as per table figure 4 roof load width fixing beams to posts beams shall be fixed to posts as listed in tables 3 4. Required size for a given span.

Simplified maximum span tables for selected visual and mechanical grades of southern pine lumber in sizes 2 4 thru 2 12. For simple construction such as domestic construction this can be determined from span table supplements in as1684 2 and as1684 3. Stramit roof batten 0 48 0 48 mm g550 0 60 kg m stramit roof batten 0 55 0 55 mm g550 0 77 kg m stramit cyclonic roof batten 0 75 mm g550 0 98 kg m stramit ceiling batten 0 42 mm g550 0 37 kg m stramit wa ceiling batten 0 42 mm g550 0 34 kg m. A maximum roof pitch of 25 degrees is assumed.

These 46 tables are based upon design values for visually graded southern pine dimension lumber that became effective june 1 2013. Your choice of batten size here will be determined by the weight and span of your metal roof panels.