Slope of hip end roof.
Unequal pitch hip roof.
All formulae are below the calculator.
The most common parameter is to maintain an equal ridge height over building sections with differing spans.
Major side roof span building width ridge thickness 2.
Which is the hip rafter side cut angle at the foot of the hip rafter on the 8 12 roof pitch side of the roof.
Main rafter length to ridge.
Overview although uncommon there are situations where architectural parameters require off angle hip and valley roof construction.
It will calculate the roof rafter lengths for an unequal overhang roof.
Unit run of the hip.
The hip roof framing calculator returns the value of the main rafter the side rafter the length of the hip the height of the knee wall and the lengths of the jack rafters.
Major side plan angle.
90 00 37 32054 52 67946.
For example in an equal hip roof with an 8 12 pitch the pitch of the hip rafter would be 8 17.
Major side roof pitch major.
Set your saw blade bevel angle to the 56 30993 to cut the hip rafter tail plumb cut on the 12 12 roof pitch side of the hip rafter.
The backing of hips on roofs of uneven pitches while the amount to be removed on each side of the hip will vary is determined by the principles developed in sec.
How to precisely layout an split pitch hip roof rafter using rafter tools for iphone.
Minor side roof pitch minor.
Then scroll down the page the calculated results should look like the following.
To get results you need to provide roof base dimensions length and width and roof pitch we assume it is identical for all sides.
The amount to be removed from each side must be separately determined according to the angle the hip makes with the plate.
One of users asked us to create calculator which will help him estimate hip roof parameters like rafter s lengths roof rise and roof area.
Select the following information by using the drop downs to enter values in feet and inches.
Value must be greater than zero.