Advantages of the prefabricated truss system include:
* Computer design and efficiency - Prefabricated timber roof trusses are designed using advanced structural engineering software based on sound engineering principles. Studies conducted in Malaysia, Sri Lanka and Indonesia have shown that a roof can be designed and built using up to 40 per cent less timber than the traditional on- site bolted and nail stick- built rafter roof.
* Quality control - Trusses are factory manufactured, which allows for exacting standards of quality control that ensure minimum variation in truss profiles for a particular batch.
* Cost of construction - Pre-fabricated trusses are known to save up to 20 per cent on the roof structures compared to that of other construction methods or materials.
* Speed of installation - Trusses are delivered to the site as complete units, allowing roofs to be erected quickly. In a recent study on a large Malaysian housing scheme, it was found that a prefabricated timber roof could be built as much as four times faster than a conventional timber roof, and
* Roof shapes - Any roof shape such as gables, scissors and hips can be achieved. Trusses are custom-made to any design, pitch or span for new buildings or to match an existing structure.
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