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Wall Length Rafter Thickness
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Roof Angle Ridge Thickness
Overhang (level) * Rafter Spacing
Actual spacing adjusted to fit roof length
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Hip roof plan

With a building length of 12000 mm and width of 6000 mm, a (level) roof overhang of 600 mm, the roof is 13200 mm long and 7200 mm wide
With an angle of 15 °, the overall height above outer wall is 907 mm. The roof area is 98.39 m² and sheathing angle is 45.993 °
Rafter spacing is 857.1 mm (Next larger spacing = 1000 Next smaller = 750 ) Creeper shortening = 887.38 mm
38.4 lineal metres eave @ 600 mm overhang = 23.0 m²
You need: 1 Ridge @ 6050 × 50
18 Common Rafters @ 3701 × 100 × 50
4 Hips @ 5146 × 100 × 50
Creepers + 8 @ 2829 + 8 @ 1942 + 8 @ 1054



Rafter dimensions

Hip dimensions
Hip end cuts + member layout Hip end cuts + member layout as below

Roof member joints

* Hip rafter length to points formed by side cuts 		  Hip roof member angle template


Framing Span Tables (Australia)




Blocklayer.com Builders Calculators Online - Roof Framing Calculator
Calculate draw and print hip and gable roof framing plans online FREE with Blocklayer.com Roof Framing Calculator



Australia

Wonga Beach Q.L.D. Australia


ALWAYS CHECK WITH YOUR LOCAL BUILDING AUTHORITY BEFORE LAYING OUT
OR BUILDING ANYTHING, AND FOLLOW ALL LOCAL CODES

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