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Rafter Run Outer Wall
Roof Angle ° : 12
Overhang (level)
Rafter Depth

Wall Thick
Show
Allow for ridge thickness Consider Ridge Thickness when determining Rafter Run to Outer Wall.

eg: Half building width minus 1/2 ridge thickness. See Rafter Run to Outer Wall Calculator below.

Print full scale Rafter Cut Templates and Birdsmouth Templates

Fold template over rafter to mark or cut through.

Angle
Overhang

Birds-mouth scale Use and Keyboard Keys to scale Birds-mouth.



Remember Ridge Thickness Remember to allow for Ridge Thickness in Rafter Run to Outer Wall.


Rafter Run to Outer Wall

Building Width
Ridge Thick


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.


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Create PDF files to print diagrams on current page. Print large images over multiple pages Printing to Scale Help and Plan Printing.

Slider Controls To fine tune Slider Controls click to select and use (cursor) keyboard keys.

Use your iPad or Android Tablet On-Site Your iPhone or Android is a valuable On-Site tool!
Lay your device on an angled surface (roof ?) to directly measure angles and automatically calculate Roofing and Pitch Angle Apps.

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AND FOLLOW ALL LOCAL CODES. VERIFY ALL DIMENSIONS AND ANGLES BEFORE CONSTRUCTION.
All calculators on this site are GEOMETRIC only. Check loacl regulations for sizes, spacings and all engineering requirements.


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