Roof Truss Construction Term

They serve a critical function and design depends on various factors.

Roof truss construction term.

A truss is a very useful structures as far as weight of building is considered. Roof framing in this chapter we will introduce you to the fundamentals of roof design and construction. A roof truss is considered the most important key component in engineering system in a building. Of wood used in trusses usually ranges between 1 200 000 and 2 400 000.

Nominal dimension an approximate dimension usually used to describe the size of an item such as a 2x4 which should actually measure 1 1 2 x 3 1 2. Trusses are most commonly used in bridges roofs and towers. Also commonly used in cathedral ceilings for its construction convenience the scissor roof truss reduces the need for a bearing beam. We will then discuss the framing square and learn how it s used to solve some basic construction problems.

But before discussing roof framing we will first review some basic terms and definitions used in roof construction. Piggyback truss a truss supported directly on top of another. A truss is a structure that consists of members organised into connected triangles so that the overall assembly behaves as a single object. Without roof buildings would be exposed to all kinds of elements rendering them completely useless.

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