Octagon Roof Framing Calculator

Very simple to use.

Octagon roof framing calculator.

Porch roof extensions for hip roof porch extensions from an existing building wall you can use half the calculator results. This octagon tower rafter script calculator will return the octagon rafter geometry angles and trigonometry rafter measurements for octagon tower roof framing with a structural ring support. Enter the extension wall length into wall length and double the extension wall width then minus ridge thickness into the wall width entries. Supported octagon roof framing dimensions octagon 4 butt hip rafter dimensions.

Fraction precision set 1 8 1 16 1 32 1 64 decimal inch metric all inch inputs and dimensions are actual physical finished sizes unless otherwise noted. The octagon layout calculator is a handy carpenter s tool for laying out a perfect octagon. Use it to calculate your gazebo layout. Select and re calculate to display.

Octagon tower ring dxf auto generated dxf cad file of rafter drawing each time script is run.