An Interesting Insight into Truss Design

The common roof truss design that we see so often these days are simply frames of wood, in a triangular shape, that are joined with steel connection plates.

This style and shape of commonly used trusses have not really changed all that much over the years, however, the construction method has changed to incorporate better safety precautions.

The style and shape has been widely used since the very first construction methods were devised, where man would use strong logs and sawn timber (many centuries later). The modern design of roof trusses allows for far more open space to be achieved in the desired room, and is a much quicker and more cost effective means of achieving an elegant, contemporary feel for your home.

The roof truss is widely used within residential, agricultural and commercial construction. Their naturally robust structure allows for a long lifespan and greater flexibility in both roof and floor truss designs. They can be designed and constructed into almost any shape or size, with limitations only occurring within delivery and handling restrictions.

Manufacturing of roof trusses begins on a computer to design each varying aspect of the truss. The dimensions of the metal plate connectors, shape and size of the timber beams and the pitch, roofing materials, ceiling dimensions and both wind and snow loads are all inputted into the computer to provide crucial results for the design process.

The overall strength and integrity of the truss all depends on the design of the metal plates. The sizes of the metal plates are determined by the level of stress that they have to transfer and withstand between members of the truss. The results from the computer are vitally important, ensuring the weight of the timber beams and other elements are all accounted for. If something goes wrong in the design then the results could be catastrophic.

During the design process, the raw materials used for the truss must be kept in safe, secure conditions away from wind, rain and snow and, in several cases, the humidity of hot air. Failing to store the raw materials correctly cn compromise the overall integrity of the truss.

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