Hip Roof Framing Terminology

A jack rafteris a shortened com mon rafter that may be framed to a hip rafter a valley rafter or both.

Hip roof framing terminology.

It is simple in design economical to construct and can be used on any type of structure. Here is a closer look at common roofing terms. Nearly all roofs are framed using one of two methods. An example of each is shown in figure 2 1.

The roof extension length must be at least twice as long as its width or the 2 hips will meet before they reach the existing building wall. The slope on all sides results in an even overhang all around the building and gives a low appearance. 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 rafter that runs diagonally between the roof ridge and the top of the wall plate forming a hipped roof.

Stick truss roof framing. Types of roofs the most commonly used types of pitched roof construction are the gable the hip the intersecting and the shed or lean to. Thus there arehip jack raftersand valley jack rafters. Hip roof a hip roof slopes at the ends of the build ing as well as at the two sides.

Definition of hip rafter. The area where one section of roof meets other section is considered as the hip and the hip roof generally has very uniform angles without any vertical end. Overhangs hips and dormers add greatly to the complexity of the framing. 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.

It is the. The hip is also a very strong roof and is often found in regions where severe. Thus a hipped roof house has no gables or other vertical sides to the roof. Roof framing involves a lexicon all its own.

A square hip roof is shaped like a pyramid. A hip roof hip roof or hipped roof is a type of roof where all sides slope downwards to the walls usually with a fairly gentle slope. In our rafter type sketch above the hip rafters are drawn in blue. If the extension length is half the extension length the 2 hips will meet at the existing wall and the roof will come to a peak with no ridge like half a pyramid.

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. A hip roof on a rectangular plan has four faces. Because there is no siding above the overhang maintenance needs are reduced. Standard stick framing or the newer truss framing.

As you can see in the illustration below roofs have hip rafters ridge boards jack rafters and more. It is the form most commonly used by the navy. Hip roofs on houses could have two triangular sides and two trapezoidal ones. They are almost always at the same pitch or slope which makes them symmetrical about the centerlines.

Stick framed roofs utilize individual rafters that span from the top of exterior walls to the ridge. Hip the hip roof has four sloping sides. Gable a gable roof has a ridge at the center and slopes in two directions.