Timber Roof Batten Span Tables

For details of weights refer to about technical.

Timber roof batten span tables.

3 where rafters are equal to or exceed four times their breath blocking should be used to reduce distortion. 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. Wind classification n1 n2. Refer to as1684 tables for other overhang spans.

Construction details should be in accordance with as1684 2. 2 for design parameters refer to figure 7 26. 1 refer to general notes for information that is relevant for all span tables. Table 2l pergola or carport beams wind classifications n1 n2 n3 and c1 member size roof load width.

Ns not suitable general notes 1. Design of single span rafters in roofs in houses office buidlings schools and other structures. Member tables for seasoned timber stress grade f17. Loads are calculated in accordance with table 3 1 of as nzs 1170 1 2002.

Lintel span sheet roofing tiled roofing roof load width rlw mm 1500 2100 4500 7500 1500 2100 4500 7500 maximum span of lintel mm 90 x 35 600 2000 1800 1400 1200. Note that spanman automatically calculates the weight of roof battens and adds it to the roof weight. Roof load width rlw and floor load width flw can be determined from as1684 or from the images below. 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.

Table assumes a maximum flooring mass of 40kg. These span tables apply only to flat roof and roof with a slope of up to 10 degrees. Timber to be covered these span tables do not apply to timber which is fully exposed to the elements. Timber queensland limited technical data sheet 19 pergolas and carports revised march 2014 page 3 pergola or carport beams tables 2l and 2h list the sizes and spans for pergola or carport beams in low wind speed and higher wind speed areas.

Spacing should be interpreted as the centre to centre distance between adjacent parallel members. Maximum wind speed n2 refer to as4055 for site wind. Timber battens for tile roofs must meet the requirements of as 1684 2 as 1684 3 or as 1720 1. Required size for a given span.

Maximum overhang of batten is 250 mm. Joists crippled over supports shall be considered as single span joists. Span tables f7 rafters a maximum roof pitch of 25 degrees is assumed. We supply 38 x 38mm or 28 x 38mm non structural timber battens for tile roofs.

Technical diagram on page 35 30mm m aximum allow able sp ans mm sheet roof spacing mm rafter size 600 760 900 1000 1200 66 x 30 850 750 700 700 600 90 x 30 1200 1050.