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 extreme...