Framing Roof Architecture
The main factors which influence the shape of roofs are the climate and the materials available for roof structure and the outer covering.
Framing roof architecture. The basic roof styles used for homes and small buildings are gable hip low slope and shed as shown in figure 17 1. Define ridge board rafter hip valley sheathing fascia soffit dormer and pitch. An example of each is shown in figure 2 1. Gable a gable roof has a ridge at the center and slopes in two directions.
Label and identify the parts of a. It s a very simple roof design and is inexpensive because the roof serves as both roof and walls. If you want to frame a roof you ve got two important choices to make in terms of design. Within limitations which include among others building size roof pitch.
Common types of roofs and basic framing terms. Shed gable hip gambrel and mansard. It is simple in design economical to construct. Usages vary slightly from region to region or from one builder or architect to another.
Choose a style of roof. Architectural home design software. Choose the design of the roofing trusses. Understand the different measurements.
A carpenter must understand and be able to frame roofs in different styles. Roof shapes differ greatly from region to region. It is the form most commonly used by the navy. 347 framing and bracing a truss roof system without lookouts 2 49 5318 setting truss lookout spacing and viewing selected truss details.
Another common design in the northeast is the saltbox which is a gable roof with one longer side. This is known as prescriptive framing. The a frame is very easy to identify. The point at which all the raftersare attached to.
Building code ibc set out specific guidelines within which conventional light frame wood structures may be built without the need for engineering analysis of each component. It s steep pointed roof which extends all the way to the ground or close to the ground. The provisions for prescriptive roof construction are found in chapter 8 of the irc and in section 2308 of the ibc. Roof terminology is also not rigidly defined.
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. The framing style of the roof refers to the actual components of each. Roof framing is one of those carpenter skills that appears quite complicated and indeed some roof designs are difficult. Automatically generate stick framing or manually draw a truss system setting roof directives for cantilevered hip attic trusses and custom ceiling planes for scissor trusses.
Parts of a roof. 466chapter 17 basic roof framing. The roof makes up much or all off the walls of the home. Variations are associated with architectural styles of different regions or countries.