Ceiling Joist Span Tables Australia

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Ceiling joist span tables australia. Our floor joist span tables are based on loadings given in the newer amended version of bs 6399 1. Span tables for domestic floor joists to bs 5268 7 1 note. Span tables allow users to choose an appropriate size and stress grade to achieve spanning needs. For simple construction such as domestic construction this can be determined from span table supplements in as1684 2 and as1684 3.
Contents general 2 terminologybe used for specification where alternate 3 bearers 4 floor joists 6 lintels 8 rafters 12 ceiling joists 15 hanging beams member16 underpurlins 17 strutting beams 18 roof beams 20 verandah beams 22 garage roof. Internal floor joists f7 42mm 30 deck joists f7 42mm 31 deck bearers f7 32 deck bearers gl8 32 technical diagrams verandah beams 33 technical diagrams ridge beams 34 technical diagrams rafters and battens 35 technical diagrams internal floor joists deck joists deck bearers 35. Please refer to spacing diagram above each table. Ceiling joists of the first floor of a two story structure often serve as floor joists for the second floor.
Ceiling joist span table pine australia. Ceiling joist span tables australia. Uilding ode of australia. Joist span joist spacing mm 450 600 maximum joist span and cantilever mm span cantilever span cantilever single span 70 x 35 1200 300 1100 275 70 x 45 1300 325 1200 300 85 x 30 1400 350 1300 350 85 x 40 1600 400 1500 325 90 x 35 1600 400 1500 375 90 x 45 1800 450 1600 400 120 x 35 2200 550 2000 500 120 x 45 2400 600 2200 550 140 x 35 2600 650 2400 600 140 x 45 2900 725 2700 675 table 6.
These span tables have been prepared in accordance with standard engineering principles the relevant test reports and australian standards i e. Span guide for. Ceiling joist span australia. Smartjoist design guide 1.
This means that some values are slightly more conservative than span tables from other sources if those do not include the amended guidance. Pitching beams 23 common installation details 25 notches cuts and holes in. Span tables for floor joists rafters and ceiling joist are determined using their spacing centre to centre to determine their respective spans. Cantilevered joists have been designed to support a live load of 3 0kpa for balconies.
Fully supported by. If this is the case with your structure use the floor joist table to determine maximum joist length load. As1720 3 timber structures part 3. Design criteria for tim ber framed residential buildings as1720 1 timber structures design methods as4055 wind loads for houses astm d 5055 standard.
Other more complex load condition spans can be determined with our free hyne timber design 7 5 software.