How To Lay Out A Hip Roof

Before we explain hip rafters you need to understand how to lay out and cut common roof rafters.

How to lay out a hip roof.

Depending on the size of the roof most hip roofs will have 4 6 short jack rafters that are spaced out every 20 inches 51 cm between the hip rafters and the king common rafters. The walls of a hip roof are laid out from the center of the first common rafter. So use a tape measure to find the height of the roof above the top wall of the building. 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.

The number of inches that the roof rises vertically for every foot of roof. Cut the felt in a straight line so that the bottom edge of the felt extends 8 inches past the roof hip. 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. Calculate the roof pitch.

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. Or 24 o c so that buildings materials like plywood can be economically utilized. The key structural member is the hip rafter which spans from the building corner to the peak or the ridge. This is covered in cutting common rafters mar 17.

Move the roll of felt which you ve now severed from the strip on the roof up and out of your way. 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. This is a way of measuring the degree of steepness of the roof. The other rafter are laid out from this one either 16 o c.

There are many variations on hip roofs and their construction but for the purpose.