Parts Of A Timber Roof Frame

The rafters are really functional parts of both the walls and the roof.

Parts of a timber roof frame.

Key timber frame terminology. They provide the support for the external roofing material. The space between each truss is known as a bay. This video covers one of the most exciting parts of roof framing installing rafters.

Rafters are sloped beams that run from the roof s ridge to the eaves. 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. Queen truss parts explained.

The rafters and trusses are connected to the ridge board for a cohesive framework. Like individual slices in a bread loaf bents extend completely through. A horizontal timber or metal resting at the peak of the roof. Essentially the spine of a conventional stick framed roof the ridge board is sandwiched between the meeting ends of the roof rafters.

We will go over raft. A 45 degree flat edge planed or routed along the outer or leading edges of a timber. A non structural member of the truss where rafters can lean against and connect to. Ridge beams are long rectangular rigid pieces of wood metal or stone which are placed horizontally along the ridge of the roof.

The wall and the roof. Rafters have a tendency to flatten under gravity thrusting outwards on the walls. Roof sheathing material is usually plywood or oriented strand board osb that is just under half an inch. Trusses usually occur at regular intervals linked by longitudinal timbers such as purlins.

Wondering how to build the structure of your roof. The rafters are not framed into the plate but are simply nailed to it. A composite decking made of solid materials. Some are cut to fit the plate whereas others in hasty.

For larger spans and thinner walls this can topple the walls. Also called minor rafter because it is smaller than the principal rafter major rafter. A short piece of timber that keeps the ends of struts and rafters in place. The structural relationship between the rafters and the wall is the same in all types of roofs.

It resembles real wood and particularly strong and stable for bearing heavy load. Each bent forms an end wall in 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.