How To Lay Out A Hip Roof
There are many variations on hip roofs and their construction but for the purpose.
How to lay out a hip roof. Measure the distance between the angled hip rafter and the top of the wall at 20 in 51 cm increments and cut jack rafters to fit. Calculate the roof pitch. Continue rolling out the felt until you reach the roof hip on the other end. Hipped roof construction can seem quite complicated to grasp at first but i m going to break it down and explain each area in detail.
The number of inches that the roof rises vertically for every foot of roof. Http amzn to 2sfscbz swanson speed square http amzn to 2svgnvt 16 x 24 framing square starrett http amzn to 2sflm5v milwaukee circular saw http amzn. The key structural member is the hip rafter which spans from the building corner to the peak or the ridge. Or 24 o c so that buildings materials like plywood can be economically utilized.
The other rafter are laid out from this one either 16 o c. The pitch of the roof is a ratio. The first common rafter is the one on the end of the ridge. This is a way of measuring the degree of steepness of the roof.
This is covered in cutting common rafters mar 17. Before we explain hip rafters you need to understand how to lay out and cut common roof rafters. I ll start at the beginning with the easy bits before tackling the more complicated stuff and that way hopefully i ll make it really clear and easy to understand exactly how to set out measure cut and install hip and valley roof rafters. Cut the felt in a straight line so that the bottom edge of the felt extends 8 inches past the roof hip.
So use a tape measure to find the height of the roof above the top wall of the building.