Parts Of A Timber Roof Frame

The structural relationship between the rafters and the wall is the same in all types of roofs.

Parts of a timber roof frame.

Each bent forms an end wall in a bay. The wall and the roof. 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. The entire roof frame is covered in a thin piece of wood called decking or roof sheathing.

Queen truss parts explained. For larger spans and thinner walls this can topple the walls. Part of a roof s frame a ridge board runs horizontally along the peak of a sloped roof. Key timber frame terminology.

Wondering how to build the structure of your roof. Wood used in. Also called minor rafter because it is smaller than the principal rafter major rafter. This video covers one of the most exciting parts of roof framing installing rafters.

A composite decking made of solid materials. Rafters have a tendency to flatten under gravity thrusting outwards on the walls. 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. Rafters are sloped beams that run from the roof s ridge to the eaves.

They provide the support for the external roofing material. A 45 degree flat edge planed or routed along the outer or leading edges of a timber. Ridge beams are long rectangular rigid pieces of wood metal or stone which are placed horizontally along the ridge of the roof. The rafters are really functional parts of both the walls and the roof.

The space between each truss is known as a bay. The rafters are not framed into the plate but are simply nailed to it. Pairs of opposing rafters were thus initially tied together by a horizontal tie. Trusses usually occur at regular intervals linked by longitudinal timbers such as purlins.

Roof sheathing material is usually plywood or oriented strand board osb that is just under half an inch. A non structural member of the truss where rafters can lean against and connect to. A short piece of timber that keeps the ends of struts and rafters in place. It resembles real wood and particularly strong and stable for bearing heavy load.

We will go over raft. Like individual slices in a bread loaf bents extend completely through. A horizontal timber or metal resting at the peak of the roof.