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 All measurements are actual physical finished sizes.
Square Tail Fascia + Hip Calculator
Save Current Job
When you return to this page, the last saved job is re-loaded.
Get Last Saved Remove Saved
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Ply Sheathing Angle and Cut Set-back
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The 2 end Jack Rafters are slightly different length to commons because the Ridge and Rafter thickness are not the same.
If the Ridge and Rafter thickness are identical, the 2 end jack rafters are the same as commons.
Use rafter template for end jacks and adjust length and birds-mouth cut to suit.
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Running Batten setout points: (from lower end of rafter up) 
All running measurements are 'and on', from start point to near side of rafter.
Running Ridge:
Wall Length:
Wall Width:
Running Hip:
Start hip run at top edge of hip side cut (after it's cut), not end point - See Hip Detail Below.
Check all spacings and squaring before fixing!
< and > keyboard keys animate roof angle.
Or Mouse Over and Mouse-Wheel
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Lay Device on incline and hit 'Start Measuring' to directly measure Pitch.
Hit 'Stop + Calculate' to capture current Pitch Angle and calculate roof.
 Hit CTRL + SHIFT to Save current Job ---
CTRL + ALT to re-load --- ESC to Remove.
When you return to this calculator, the last saved job will be re-loaded automatically.
Need these calculations on-site? Try the site with an iPad or Android Tablet. With a tablet, you can directly measure angles for input to the Roofing and Pitch Angle calculator apps.
Lay the tablet on an incline and tap to measure angle. Tap again to capture angle and auto calculate roof, pitch, angles etc.
The buttons appear automatically when you visit with a device capable of pitch measurement.
If you've benefited from this free service, please consider a small donation to
The Fred Hollows Foundation - Help Change a Life
Contact
Greg Tarrant
ph: Australia +61 7 40987645 - mob: 0438 165 753
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ALWAYS CHECK WITH YOUR LOCAL BUILDING AUTHORITY BEFORE LAYING OUT
OR BUILDING ANYTHING, AND FOLLOW ALL LOCAL CODES
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