Gable And Valley Roof Design

A valley rafterforms a depression in the roof instead of a hip.

Gable and valley roof design.

Again don t be tempted just to look the names put in a bit more effort to try to remember all the names of the individual components. Hip and gable roof components. A hip roof or hipped roof is a type of roof design where all roof sides slope downward toward the walls where the walls of the house sit under the eaves on each side of the roof. Like the hip rafter it extends diago nally from the top plate to the ridge.

Then i use a construction calculator to find the correct length of each rafter. Lofts are very common in this design for homes. This roof valley is a perfect example. Plan view of the hip and gable roof that you are going to build.

You can find additional articles helping you plan your house in our guidelines for house builders. The gambrel design like gable has vaulted ceilings and even more upper air space than gable. This design is often seen in colonial style houses. It s also known as a cross gable roof since the home has a cross footprint.

Other common roof shapes are flat roof barrel roof pyramid hip roof pyramid roof cone type roof valley roof shed roof clipped gable roof and extended mansard roof. The first is the pitch of the roof. Interestingly you can mix and match roof styles when building a gable and valley roof designs for a cross footprint home. I use homeidea3d to add a gable and valley roof to my 3d house floorplan design.

The gable and valley roof is a very popular roof design. Steepness playing a factor in the range and how high the ridge is set. A hip rafter is called for only when framing a hip roof but a valley rafter is needed on both hip and gable roofs whenever roof planes intersect. Square for square a simple gable roof will be cheaper compared to a complex hip and valley roof design with many intersections but sometimes gable roofing can be complex as well such as adding in dormers or extra wings to the home construction.

However if the roof also contains hips and valleys it should either be shingled or roofed with metal shingles or standing seam to help prevent roof leaks. A front gable roof is placed at the entrance of the house. Gable roof in a nutshell. To understand the concept and how all the pieces are laid out and cut i picture the roof two dimensionally in plan view.

Vu20976 roof framing page 19. Here is a quick summary comparing hip and gable roofing.