![]() ![]() A few examples of the types of rafters used in construction are listed below.įigure 2: Common rafter types of a house roof framing. The specific design and configuration of rafters will depend on factors such as roof’s shape, slope and the structural requirements of the building. By distributing the load evenly, rafters ensure that the structure remains stable and can withstand various external forces, such as wind and snow loads. The primary function of rafters is to transfer the weight of the roof to the walls or other load-bearing elements of the structure. They are inclined beams that extend from the ridge of the roof to the eaves and support the roof covering material, such as shingles or tiles.įigure 1: An example of exposed timber rafters landing on a lintel. ![]() Rafters are structural elements that form the framework of a roof. But have you ever wondered how it stays up there without crashing down like a house of cards? Picture this: you're standing beneath a roof, admiring its structure. So, grab your hard hats, dust off your drafting pencils, and let’s raise the roof, both literally and figuratively. We will also discuss different materials used for rafters, such as wood, steel, and cold-formed steel, along with practical tips for rafter design and analysis. In this article, we will explore the definition, function, and various types of roof rafters, including their unique features and applications. They are essential components that provide strength and support to the roof system. Rafters play a crucial role in supporting the roof, distributing its weight evenly, and ensuring the overall stability and integrity of the structure. In any structural design project, the importance of roof rafters cannot be overstated. Even though roof trusses are more commonly used than rafters, they do not provide the same versatility and space for creativity that rafters allow. Choosing the right “hat” for your building will depend on several factors, such as wall layout, ceiling type, and architectural features.
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