10 12 Roof Pitch Rafter Length

The most common roof pitch is designed with a pitch ranging from 4 12 to 9 12.

10 12 roof pitch rafter length.

If you add an eaves overhang dimension then the amount the rafter sticks passed the wall will be added to the rafter length. Input the rafter span on the flat eave overhang and pitch of the roof. Calculate the length of your rafters. The results are automatically fired.

To accurately calculate the area of your roof you must first determine its slope or pitch. For example a roof that rises 6 inches for every 12 inches of horizontal run has a 6 12 pitch. Angle the angle of a roof is the same as the roof s slope except instead of being. It varies depending on culture climate style and available materials.

Roof base length width how roof pitch is calculated. Roof pitch calculator results explained. The run of the rafter. Includes result for hip valley factor slope factor and the roof slope in degrees.

Just enter the dimensions of the roof rise and run to get started. 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. There is no standard universal pitch of roof. The length of the rafter.

A roof s pitch is determined by how much it rises vertically for every foot it runs horizontally. With this set of specs we are looking at a rafter length of 5 3. Calculate the length of a rafter from the roof slope ratio of inches per foot and a building width measurement. Calculate the length of common rafters with this free and easy online tool by entering a dimension for the roof width selecting a pitch for the roof and the thickness of the ridge.

Area span on the flat please enter area span on the flat in foot. Our roof we will be constructing will be 4 12. Height of the scaffold. If you re building rafters and aren t sure where to start when determining the length of your lumber you re in the right place our rafter stock size calculator shows you how long your rafters should be so you ll know what you need in terms of framing lumber dimensional lumber studs and more.

Rise and run means that a 6 12 pitch roof has 6 of rise vertical for each foot of run horizontal. The rise of the rafter. Click the button to calculate the stock size needed for this job. Thus a moderate 6 in 12 roof pitch means that the roof rises 6 inches vertically for every 12.

More they usually claim that 4 12 is the lowest you can go without any special underlayment. We ll be building a 4 12 pitch roof with an 8 span with 1 of overhang.