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Gable Roof Framing Calculator - With Running Setout Points - Metric



Wall Length Rafter Thickness
Wall Width Rafter Depth
Roof Angle Ridge Thickness
Overhang (level) Ridge Depth
Overhang Gable Rafter Spacing
End Rafters Set-in Rafter Spacing Type
Birdsmouth Seat Birdsmouth Seat Cut diagram

Possible Alternate Equal Rafter Centres

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Scale

Gable roof framing calculator plan diagram with full dimensions



All running measurements are 'and on', from start point to near side of rafter.
Running Ridge: Mark out


Running Wall: Mark out


Angle

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Scale

Gable roof profile diagram with all angles, dimensions and volumes



Gable roof common rafter detail diagram with all dimensions and birds mouth

Rafter Detail (new window)

DON'T BREATH THE DUST If you're cutting concrete, stone or ANYTHING and there's DUST - DON'T TAKE THE RISK
Don't cut it, or cut it wet so there's NO DUST - Silicosis Sucks

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Check relevant local regulations for appropriate sizes, spacings and all engineering requirements.


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