Roof Rafter Length Calculator Metric

Height of the scaffold.

Roof rafter length calculator metric.

Measure the rise of your roof. Rafter is a sloping beam usually wood that supports a pitched roof. See rafter run to outer wall calculator below. Measure the run length it is the horizontal distance between the roof ridge and the wall of the building.

Our roof rafter calculator tools are handy for calculating the number of rafters needed rafter length calculator lineal feet of rafter board feed in ridge and sub facia and the total board feet in the roof. Rise and run means that a 6 12 pitch roof has 6 of rise vertical for each foot of run horizontal. Calculate the length of a rafter from the roof slope ratio of inches per foot and a building width measurement. Calculate the length of a rafter in metres using the roof slope measured in degrees and the gable wall width in metres.

Roof slope calculator example of use. This calculator helps you make the rafters of the suitable sizes required for your roofing. Porch roof extensions for hip roof porch extensions from an existing building wall you can use half the calculator results. Angle the angle of a roof is the same as the roof s slope except instead of being.

Let s say it is equal to 1 5 m. Let s assume it is equal to 6 m. If you add an eaves overhang dimension then the amount the rafter sticks passed the wall will be added to the rafter length. From your average hip roof calculator to something more specific like a hip roof rafter calculator there is plenty to consider with this kind of calculation.

Allow for ridge thickness when determining rafter run to outer wall. Roof pitch calculator results explained. Slope the slope of a roof is represented as x 12 where x is the number of inches in rise for every 12 inches of run this is very useful information for many purposes especially for roof framing the slope sometimes called pitch is calibrated on speed squares. Minus ridge thickness to allow for ridge becoming pole plate roof peak will be slightly higher ridge thick must be same.

Print full scale rafter plumb cut templates and birdsmouth templates fold template over rafter to mark or cut through. The rise of the rafter. If there is an overhang the rafter overhang is measured in millimetres from outside wall to inside fascia board level across. Rafter length from roof slope in degrees using metric measurement.

The length of the rafter. The run of the rafter. Half building width minus 1 2 ridge thickness. Enter the value for the roof width outside to outside in feet inches and fraction inches and fraction or use the inches box to enter a value in decimals if that is your preference.

Enter the extension wall length into wall length and double the extension wall width then minus ridge thickness into the wall width entries. To do this your best bet is definitely finding a good hip roof construction calculator so that you can work it all out in a timely and simple fashion.