Parts Of A Timber Roof Frame

Wondering how to build the structure of your roof.

Parts of a timber roof frame.

Essentially the spine of a conventional stick framed roof the ridge board is sandwiched between the meeting ends of the roof rafters. A 45 degree flat edge planed or routed along the outer or leading edges of a timber. Each bent forms an end wall in a bay. The structural relationship between the rafters and the wall is the same in all types of roofs.

Key timber frame terminology. Rafters are sloped beams that run from the roof s ridge to the eaves. Like individual slices in a bread loaf bents extend completely through. For larger spans and thinner walls this can topple the walls.

The rafters are really functional parts of both the walls and the roof. The rafters are not framed into the plate but are simply nailed to it. A short piece of timber that keeps the ends of struts and rafters in place. A horizontal timber or metal resting at the peak of the roof.

It resembles real wood and particularly strong and stable for bearing heavy load. Trusses usually occur at regular intervals linked by longitudinal timbers such as purlins. The entire roof frame is covered in a thin piece of wood called decking or roof sheathing. The space between each truss is known as a bay.

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 have a tendency to flatten under gravity thrusting outwards on the walls. This video covers one of the most exciting parts of roof framing installing rafters. Queen truss parts explained.

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. Pairs of opposing rafters were thus initially tied together by a horizontal tie. Also called minor rafter because it is smaller than the principal rafter major rafter. The rafters and trusses are connected to the ridge board for a cohesive framework.

Some are cut to fit the plate whereas others in hasty. Part of a roof s frame a ridge board runs horizontally along the peak of a sloped roof. Ridge beams are long rectangular rigid pieces of wood metal or stone which are placed horizontally along the ridge of the roof. We will go over raft.

The wall and the roof. A composite decking made of solid materials. A non structural member of the truss where rafters can lean against and connect to.