Hip Roof Two Different Pitches
I have only built one roof where a hip was joining two different pitch roofs at the corner of a house.
Hip roof two different pitches. 3 12 and 6 12 is 4 5 17. But here it will be different since the hip rafter doesn t lie at 45 degrees to the commons. Managing a hip roof with two different pitches. Select the following information by using the drop downs to enter values in feet and inches.
From simple to very complex computer generated hip roof designs. The pitch of the unequal hip rafter can be expressed in relation to either the main roof or the secondary roof. 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. Whilst it may sound ridiculous today they are used quite a lot these days to make a home look a bit more unique than others on the market.
Modern residential hip roof construction uses common pitch ratios in general. For example in an equal hip roof with an 8 12 pitch the pitch of the hip rafter would be 8 17. How to use the hip roof framing calculator. The most common hip roof pitch ratios fall between 4 12 and 6 12 although variations occur based on factors such as snow rain and wind conditions which is because steeper hip roof pitch ratios allow for less accumulations of snow and rain on the roof and lower ratios provide less wind resistance.
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.