Timber Roof Truss Systems

 A timber roof truss or tongue and groove truss is a horizontal wooden frame of planks or strips that are used to support a roof and also to bridge the open space above a building. Trusses generally occur in open spaces, usually linked by long timbers like purring. The open space between each pair of trusses is called a bay. The purpose of a timber roof truss system is to allow materials to be placed in a planned fashion over the roof's structure with little or no open space between the roof and the trusses. Timber roof trusses are generally strong and have the ability to carry loads up to 600lbs.

An important part of the timber roof trusses construction is the use of an evo2 automatic hook and eye system. This system consists of a hydraulic arm attached to a fixed stage on the top of the roof that raises and lowers the structure by pivoting on an angle. As the structure is raised the timbers that make up the rafters are lifted to create a continuous framing method that is extremely reliable and durable. An evo2 automatic hook and eye system allow for the continuous adjustment of the hydraulic arm that raises and lowers the structure.

Rafters are typically constructed from low-density hardwoods like spruce, pine, or fir. The open spacing between the rafters is termed a rafter's joint. The timber roof trusses are fixed to the underside of the rafters using threaded screws and then raised to an appropriate height using an articulating hoist.

There are two types of timber roof trusses; straight and pitched. The straight timber trusses are also known as "fixed" trusses, because they do not have a joint or pitch jointed in the middle. These trusses are typically comprised of two pieces of wood that are connected through a series of jointed tubes and stiffening members. A similar design is the pitched timber roof trusses, which are known as "pitch" trusses because their jointed and pre-fit components are placed through a series of cutouts in the pitch of the roof rafters.

The pitch-system of timber roof trusses is highly effective at providing energy efficient beams. It is because of this that it has been adopted as the industry standard in the U.S. and many other countries worldwide. The principle of energy-efficientefficient beams is based on the principle that trusses act as lenses that focus the least amount of thermal energy from the building's exterior to the interior. Due to the fact that the trusses focus the thermal energy of the building's exterior to the interior, less energy is absorbed and used from the inside of the structure.

Besides facilitating better and more efficient transfer of thermal energy to the interior, timber roof trusses also help in maintaining sound dampness. A major problem with many roof structures is the phenomenon where sound waves, created by the roof structures themselves, enter into the building. For example, during the summer it is common for the roof to creak and rock because of the movement of the summer sun rays. This phenomenon of entry of noise into the building can lead to several health problems for the people living within the structure. The solution to this is for the roof trusses to be properly tuned so that the noise created does not enter into the building in the first place.

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