Basic Roof Framing 17

Basic roof FramingDiscuss the PhotoBuilding a roof Roofs are constructed in many different shapes. Whatare some things to consider in determining the shape of a roof ?Writing Activity: Research and SummarizeContact a manufacturer of residential wood trusses. Find answers to the following questions. Then summarize your fi ndings in a one-page How long does it take to design a truss, and how far in advance should a builder order them?2. How are computers used in the design of trusses?Chapter ObjectivesAfter completing this chapter, you will be able to: Identify the Basic roof styles. Understand the Basic terms relating to roof - Framing carpentry. Explain the layout of a common rafter, using at least one of the four Basic methods. Describe the layout ceiling joists. Name the three Basic parts of a roof truss. Demonstrate how to install roof a RoofSection Framing with Common Rafters Section FramingSection Trusses17464 Chapter 17 Basic roof FramingPeter Salartos/Getty Images17 Content VocabularyDefi nitionrafterA rafter is an inclined Framing member that supports the roof .

Parts of a Roof A basic, conventional roof consists of rafters, ceiling joists, and a ridge board, as shown in Figure 17-3. More complex roofs include other elements such as braces, valley rafters and jack rafters. (See Chapter 18, “Hip, Valley, and Jack Rafters.”) A rafter is an inclined member of the roof framework. Rafters serve the same ...

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