LESSON 3
ROOF CONSTRUCTION
Critical Task: 051-236-1144
OVERVIEW
LESSON DESCRIPTION:
At the end of this lesson, you will be able to describe the construction of a roof system.
TERMINAL LEARNING OBJECTIVE:
ACTION:
You will describe how to construct a roof system.
CONDITION:
You will be given the material contained in this lesson.
STANDARD:
You will correctly answer the practice exercise questions at the end of this lesson.
REFERENCES:
The material contained in this lesson was derived from FM 5-426 (Chapter 7).
INTRODUCTION
The roof 's main purpose is to keep out the rain, cold, or heat. It must be strong enough to withstand
high winds sloped to shed water; and, in areas of heavy snow, it must be constructed more rigidly to
bear the extra weight.
PART A - ROOF TYPES
This part will familiarize carpenters with the most common types of roof construction. Roofs for
theater of operations construction are chosen to suit the building; the climate; the estimated length of
time the building will be used; and the material, time, and skill require for construction.
3-1. Gable Roof. This roof has two roof slopes that meet at the center (ridge), forming a gable. It is
the most common roof because it is simple, economical, and may be used on any type of structure.
Refer to Figure 3-1, page 3-2.
3-1
EN5156
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