Parts Of A Wooden Roof Structure

A short video using computer modelling to explain the general structural principles of domestic timber roofing.

Parts of a wooden roof structure.

The roof truss structure and design is integral to roof structural integrity and shape. The gable end the house wall on a conventional simple gable roof such as shown in our sketch is the triangular end wall arrows 17 22 23 and 31 see roof ventilation specifications definition of the rake area of the roof or ends of the roof itself may overhang the gable end wall. Under the quebec construction code certain kinds of particleboard are also authorized. Rafters have a tendency to flatten under gravity thrusting outwards on the walls.

It is a waterproofing layer made of regular felt stacked above the solid. Hip the hip roof has four sloping sides. Roofs are the crown of any establishment. A disadvantage of the hip roof is that it is more difficult to construct than a gable roof.

Rafters these are wooden beams that run from the top of the roof to the bottom. Modern timber roofs are mostly framed with pairs of common rafters or prefabricated wooden trusses fastened together with truss connector plates timber framed and historic buildings may be framed with principal rafters or timber roof trusses roofs are also designated as warm or cold roof depending on how they are designed and built with regard to thermal building insulation and ventilation. These hip rafters run at a 45 angle from each corner of the building to the ridge. This article and series of illustrated diagrams shows you all the parts of a basic roof truss king truss and queen truss.

A horizontal timber or metal resting at the peak of the roof the rafters and trusses are connected to the ridge board for a cohesive framework. A composite decking made of solid materials it resembles real wood and particularly strong and stable for bearing heavy load. The structure itself is 95 m 312 ft long and 55 m 180 ft wide and the roof contains 785 panes of. It not just covers but even protects the main structure of the building from harsh weather conditions.

The national botanic garden of wales has the largest single span roof in the world. Usually made from 1 2 inch plywood the decking closes and reinforces the roof structure and provides a nailbed for the shingles. Hip this is an external angle formed by the intersection of two sloping roof planes. There are many types of roof trusses as wall as many types of roofs more types than there are parts.

The rake is the edge of the gable roof that runs parallel to. It is the strongest type of roof because it is braced by four hip rafters. Roof edge or eaves edge all the boards running along the edge of the roof or eaves. The rafters when combined together help to form the truss.

Also known as a fascia.