Span tables allow users to choose an appropriate size and stress grade to achieve spanning needs.
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Span tables use the span tables below to determine allowable lengths of joists and rafters based on size and standard design loads.
For beams continuous over two î unequal spans the design span and the resultant span description depend upon the per centage difference between the two spans as shown below.
Select and re calculate to display.
Choose the required center to center span for the beam in the span column.
Loads are calculated in accordance with table 3 1 of as nzs 1170 1 2002.
If you are looking for span tables design guides install guides product catalogues or safety data sheets then you ve landed on the right page.
Pitching beams 23.
You can also use the wood beam calculator from the american wood council website to determine maximum rafter and joist lengths.
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Use the single span tables for the purpose of obtaining the appropriate size.
Can t find what you are looking for.
Select the correct table for the supported floor joist condition simple or continuous see notes below.
Floor beam quick reference tables 3 combined header quick reference tables 4 roof header quick reference tables 5 uniform floor load plf tables 6 uniform roof load plf tables 7 general information 8 lp lvl 2650f b 1 9e technical guide this lp lvl guide formerly gang lam lvl must be used in conjunction with the engineered wood product guide.
Select output fraction precision decimal inch or metric mm.
Other more complex load condition spans can be determined with our free hyne timber design 7 5 software.
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For simple construction such as domestic construction this can be determined from span table supplements in as1684 2 and as1684 3.
The imposed uniformly distributed live load in the main span.
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Tables such as those for rafters.
Our experienced support team can assist with enquiries ranging from beam sizing to installation advice.
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This is set by the roof use you selected in the previous screen and cannot be modified.
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