Also called trussed rafters, roof trusses are now the top choice of roof framing as they offer a flexible and quick installation as well as a less costly solution for roofs by using as much as 40% less timber than traditional trusses. However, not all roof truss designs are the same. They are used to make a variety of roof shapes such as Hip, ‘T’ intersection, ‘L’ return, and so on. They also come in a wide range of shapes and sizes. Below are the most commonly used roof truss designs or profiles that you can choose from.
Fink roof truss - this is the most common type of truss used today, particularly on pedestrian buildings and houses. It is mainly characterised by an internal web configuration shaped like letter W. This is to provide the ultimate strength to the material ratio for spans between 5m and 9m, which is the case with most houses being built today.
Raised tie roof truss - this profile is perfect if you need a higher ceiling line for more headroom. It can increase the height of a room without having to add more height to your house.
Attic roof truss - among the various roof truss designs, an attic truss, also known as a room-in-roof truss, is the only profile that offers both a structural roof and floor in one complete part. It is also very popular as it provides extra living space without the need to increase the footprint of your house.
Scissor roof truss - this roof truss profile is somehow similar to the raised tie roof truss design. The only difference is that the sloping ceiling of a scissor truss has a shallower angle to the outer pitch. This gives more strength to roof truss while providing more flexibility to its design by allowing the ceiling line to be fully pitched or with a flat section in the centre.