Skillion Roof Rafter Span Tables

This is a heavy roof so the 1200 mm column on the right side of the table is excluded it only applies to light roofs.

Skillion roof rafter span tables.

Rafter span 3 000 m. Choose rafter spacing from table 10 1 the options are 480 600 or 900 mm. Table 33 bearers supporting two storey loadbearing walls lower floor load width 900mm or 1800mm continued seasoned hardwood f17. Skillion roof rafter detail diagram with all dimensions and birds mouths scale.

Select and re calculate to display. The pitch and span of your roof will dictate how long of a rafter you ll need use maximum span calculator to help you find your rafter size. Skillion lean to roof profile diagram quest. If you look at the rafter span chart you ll notice that 2x4s can be used for rafters on spans up to 11.

Select output fraction precision decimal inch or metric mm. Maximum span of bearer mm upper floor load width 3600mm continued continuous spans. Sheet roofing tiled roofing roof load width rlw mm 1500 2100 4500 7500 1500 2100 4500 7500. Visit the roof framing page for more information on cutting roof rafters and visit the roof pitch calculator for determining rafter lengths based on rise and run.

Step 1 rafter spacing.