Codes specify maximum spans according to the type of wood used.
Timber deck span tables victoria.
The spans given in these tables have been developed by experienced timber.
The 2006 as 1684 residential timber framed construction standard is based on the loadings contained in the loading code as1170 2 1989 the current loading code as nzs 1170 1.
Span tables allow users to choose an appropriate size and stress grade to achieve spanning needs.
Table assumes a maximum flooring mass of 40kg m2.
When joining any timber members ensure that the join is directly supported by the member below.
Span requirements ensure your deck won t sag or collapse during a party or under snow load.
Maximum span of bearer mm continuous spans continued 2 120 x 35 3100 2700 2500 2300 2200 2 120 x 45 3400 3000 2700 2500 2400 table 5 bearers supporting floor load only continued bearer size depth x breadth mm note.
Decking bearers tmgp10 seasoned pine size mm floor load width mm 1200 2400 maximum bearer span mm span cantilever span cantilever continuous span.
Codes dictate how high the deck railing must be as well as how far apart the balusters can be.
The decking has been machined on its top face to provide a ribbed non slip surface.
Victoria 1 0 min see 9 4 2 2 2 whistler 6 1 design loads the loading spacing and sizing of structural members is influenced by local.
A deck more than 2 feet or two steps above ground must have a railing.
Wind classification n1 n2.
For use in domestic houses.
1 refer to general notes for information that is relevant for all span tables.
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.
For simple construction such as domestic construction this can be determined from span table supplements in as1684 2 and as1684 3.
This guide has been produced so that designers and builders can take advantage of the reduced loading and.
2002 has introduced a reduced imposed loading of 2 0 kpa on domestic decks above 1 m from the ground.
Floors our free designit.
2 for design parameters refer to figure 7 26.
3 where rafters are equal to or exceed four times their breath blocking should be used to reduce distortion.
Illustrated guide for building safe and durale wood decks and balconies table of contents forward 3 acknowledgments3 disclaimer3 building safe and durable wood decks and balconies 4 overview 4.
For other situations such as decks balconies tiled areas and apartment.
Construction details should be in accordance with as1684 2.
Design engineers in accordance with as1684 1 1999 and include the most.
