After a taking some measurements and doing a bit of ciphering we established that the steepest pitch we could use on the porch roof was 4 in 12.
How to build a hip roof with different pitches.
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.
To build a hip roof start by measuring the width and height of the building you re putting the roof on.
A hip roof or a hipped roof is a style of roofing that slopes downwards from all sides to the walls and hence has no vertical sides.
The sides come together at the top to form a simple ridge.
Learn more about off angle roof framing.
It has a polygon on two sides and a triangle on two sides.
Explore framing complexities that result when roofs of two different pitches intersect.
In a hip roof with equal pitches the unit run of a hip or valley rafter is 17 inches for every 12 inches of run in the main roof.
Use separate hip roofs on homes with different wings.
Similar to a cross gable roof.
The line where the two roofs meet is called a valley.
How to use the hip roof framing calculator.
Next once you know the lengths of the rafters cut some wooden planks to size and make birdsmouth cuts in each one so.
A sketchup model helps clarify how various rafters and framing components are assembled in an off angle hip and valley configuration.
The most common type of a hip roof.
Can a hip roof have different pitches.
For example in an equal hip roof with an 8 12 pitch the pitch of the hip rafter would be 8 17.
The hip roof is the most commonly used roof style in north america after the gabled roof.
We wanted to make the porch roof as steep as possible while keeping the peak of the roof below the wall to roof intersection at the top of the shed roof.
Then enter those measurements into an online roofing calculator to determine how long each common rafter will need to be.
For example in an equal hip roof with an 8 12 pitch the pitch of the hip rafter would be 8 17.
Unit run of the hip.
Valleys can allow.
Select the following information by using the drop downs to enter values in feet and inches.
But here it will be different since the hip rafter doesn t lie at 45 degrees to the commons.