Parts Of A Timber Roof Frame

Transfers the load of the roof through the raftersto walls below.

Parts of a timber roof frame.

Roof truss parts explained. It is a waterproofing layer made of regular felt stacked above the solid. Roof features associated with basic roof framing terms are shown in figure 2 2. 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.

Roof framing terms are related to the parts of a triangle. Parts of a roof a ridge board is a horizontal member of the roof frame. Timber vs metal frames. A timber roof truss is a structural framework of timbers designed to bridge the space above a room and to provide support for a roof trusses usually occur at regular intervals linked by longitudinal timbers such as purlins the space between each truss is known as a bay.

Horizontal beams supported by posts and used to support the mid span of rafters to cover longer spans these are used in large buildings like the traditional large old barns in the us. Essentially the spine of a conventional stick framed roof the ridge board is sandwiched between the meeting ends of the roof rafters. Framing a roof is the last step in framing new construction. The roof framing is the structure that supports your roof.

Ridge beam sits below the rafters. The main decision that needs to be made with erecting a roof is which material to use for its construction. Timber is by far the most common material for house framing in australia. The point at which all the rafters are attached to.

While most home builders will outsource the construction of roofing trusses the rafter supports of the roof itself learning to frame a roof yourself is one of the true arts of carpentry and a basic primer is covered below. Part of a roof s frame a ridge board runs horizontally along the peak of a sloped roof. Rafters have a tendency to flatten under gravity thrusting outwards on the walls. A composite decking made of solid materials it resembles real wood and particularly strong and stable for bearing heavy load.

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. Refer to the figure as you study the terms discussed in the next paragraphs. Span is the horizontal distance between the outside. The ridge is the peak where two sloped roof sections meet.