Parts Of A Timber Roof Frame

A composite decking made of solid materials.

Parts of a timber roof frame.

Decking is supported by the roof frame and the layers of a roof which we cover below and all rest on top of the decking. In a nutshell it s made up of a central vertical post called the king post two rafters meeting at the apex and a tie beam or the horizontal base. Trusses usually occur at regular intervals linked by longitudinal timbers such as purlins. A 45 degree flat edge planed or routed along the outer or leading edges of a timber.

The rafters are not framed into the plate but are simply nailed to it. Key timber frame terminology. Like individual slices in a bread loaf bents extend completely through. The main structural parts of a roof are ceiling joists ridge board jack rafter hip rafter common rafters creeper rafters raking plates out riggers and noggings or last rafter overhang.

Some are cut to fit the plate whereas others in hasty. It resembles real wood and particularly strong and stable for bearing heavy load. 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. A horizontal timber or metal resting at the peak of the roof.

It is often used in simple roof trusses such as in the shed porch and garage. The wall and the roof. Pairs of opposing rafters were thus initially tied together by a horizontal tie. Each bent forms an end wall in a bay.

Rafters have a tendency to flatten under gravity thrusting outwards on the walls. They provide the support for the external roofing material. Transfers the loadof the roof through the raftersto walls below. Wood used in.

The space between each truss is known as a bay. The point at which all the raftersare attached to. Roof sheathing material is usually plywood or oriented strand board osb that is just under half an inch. The rafters are really functional parts of both the walls and the roof.

For larger spans and thinner walls this can topple the walls. Tie down fixings tie down fixings are used to resist uplift and shear forces lateral loads in floor framing wall framing and roof framing. The rafters and trusses are connected to the ridge board for a cohesive framework. Parts of a roof a ridge board is a horizontal member of the roof frame.

The entire roof frame is covered in a thin piece of wood called decking or roof sheathing. The king post roof truss is the simplest of the trusses because of its simple composition.