Porch Hip Roof Framing Details

Next soffit framing is installed along the roofs edge.

Porch hip roof framing details.

Hip roof a hip is a type of roof where all sides slope downward to the walls. When building a porch roof with trusses on this type porch the corner and subsequent trusses are built a little differently due to the slope of the roof. Looked at from the birds eye view. Default wall in archicad.

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. Gable roof framing plan. The rafters carry the applied loads to the exterior walls. Hip roofs can be generally framed into a large variety of sizes that can be t or l shaped and may need a more complex frame structure.

Hip porch roof framing this style that can be used for framing your porch is a little complex or more difficult to make. In a rafter roof all of these components are required to provide a stable roof. As compared to global roof framing hip roof framing is more difficult because it consists of four sides with variable lengths instead of two sides. There are also no gables plus the slope of it is normally relatively gentle and also gives a lower appearance.

Shed gable hip gambrel and mansard. It s because all the sides of the roof will slope downward to your house walls. Per foot this is called a 5 12 slope and extended 18 in. Roof frame plan roof frame plan details the rafters and the spacing of the roof.

Another common design in the northeast is the saltbox which is a gable roof with one longer side. 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. Your roof may vary from this and the details of how the porch ties in will vary as well. The ridge board is centered here in terms of length as well as width.

The function of each component is. Roofs are basically five types. The house roof sloped 5 in. Roof framing is one of those carpenter skills that appears quite complicated and indeed some roof designs are difficult.

As you can see the truss angles are constructed to maintain the same slope. Not shown are the hip and valley rafters needed to tie the roof together where the rafters are framed at an angle to each other. Hip valley roof. Joists and collar ties.

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.