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.
Hip roof pitch calculator.
How to use the hip roof framing calculator 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.
Hip roof is a roof with a sharp edge or edges from the ridge to the eaves where the two sides meet.
Enter the extension wall length into wall length and double the extension wall width then minus ridge thickness into the wall width entries.
Porch roof extensions for hip roof porch extensions from an existing building wall you can use half the calculator results.
All formulae are below the calculator.
Select the following information by using the drop downs to enter values in feet and inches.
Minus ridge thickness to allow for ridge becoming pole plate roof peak will be slightly higher ridge thick must be same.
Minus ridge thickness to allow for ridge becoming pole plate roof peak will be slightly higher ridge thick must be same.
Enter the extension wall length into wall length and double the extension wall width then minus ridge thickness into the wall width entries.
After that you will have to try and find a good hip roof pitch calculator to make sure you can get the last of the calculations.
There are lots of things to think about and consider when taking on a hip roof style so having a reliable all in one hip roof calculator is going to be very useful for this job.