Transcription of ROOF FRAMING - Construction Knowledge.net
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ROOF FRAMING - Construction Knowledge.net
CHAPTER 2 ROOF FRAMINGIn this chapter, we will introduce you to thefundamentals of roof design and Construction . But,before discussing roof FRAMING , we will first reviewsome basic terms and definitions used in roofconstruction; we will then discuss the FRAMING squareand learn how it s used to solve some basic constructionproblems. Next, we ll examine various types of roofsand rafters, and techniques for laying out, cutting, anderecting rafters. We conclude the chapter with adiscussion of the types and parts of roof OBJECTIVE: Upon completingthis section, you should be able to identify thetypes of roofs and define common roof primary object of a roof in any climate isprotection from the elements. Roof slope and rigidnessare for shedding water and bearing any extra additionalweight. Roofs must also be strong enough to withstandhigh winds.
It describes the slope of a roof. Pitch is expressed as a fraction, such as 1/4 or 1/2 pitch. The term “pitch” is gradually being replaced by the term “cut.” Cut is the angle that the roof surface makes with a horizontal plane. This angle is usually expressed as a fraction in which the numerator equals the unit of rise and the
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