Hip Roof Frame Design

Some hip roof designs follow pyramid shapes whereas others may have more symmetrical structures.

Hip roof frame design.

On a hip roof framing plan the lines that indicate the hip rafters ec ac kg and ig in figure 18 3 form 45 angles with the edges of the building. Thus a hipped roof house has no gables or other vertical sides to the roof. A hip roof design refers to a roof where the roof sides slope downwards from a middle peak with the rafter ends meeting the exterior walls of the house. The hip roof is the most commonly used roof style in north america after the gabled roof.

If using a circular saw or compound miter saw set saw bevel angle to 45 to obtain creeper and hip side angles. The design of hip roofs can follow triangular sides as well as a combination of triangular and trapezoidal sides. Tie down fixings tie down fixings are used to resist uplift and shear forces lateral loads in floor framing wall framing and roof framing. 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.

You can see from the plan that the total run of a hip rafter is the hypotenuseof a right triangle. Hip roofs can be designed over square shaped buildings as well as on rectangular ones. Parts of a roof the main structural parts of a roof are ceiling joists ridge board jack rafter hip rafter common rafters creeper rafters raking plates out riggers and noggings or last rafter overhang. Hip rafter diagram with full dimensions.

Each of the four sides of the roof slope downward there are no upright or vertical parts no gables etc on a hip roof. This style of roofing became popular in the united states during the 18 th century in the early georgian period. This video explains in detail how to build a hip roof. Hip roof framing rafter cut angle template diagram.

Print full scale paper templates cut and fold over wood to mark and cut angles.