Parts Of A Roof Framing

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.

Parts of a roof framing.

Tie down fixings tie down fixings are used to resist uplift and shear forces lateral loads in floor framing wall framing and roof framing. Ridge beam sits below the rafters. A purlin is a horizontal piece of timber or metal which supports the roof s rafters or decking and helps to prevent your roof from sagging. A hip rafter extends from the wall plate to the ridge in the angle of a hip roof.

The wall and the roof. Ridge board ridge beam. This framing also called a roof truss serves as the roof s skeleton which the other parts of the roof will all rest on. It resembles real wood and particularly strong and stable for bearing heavy load.

Ridge board v s beam. Some are cut to fit the plate whereas others in hasty. The rafters are really functional parts of both the walls and the roof. A ridge board is a horizontal member of the roof frame.

There are various national and local construction codes that dictate the structure of your roof frame. Parts of a roof. The rafters are not framed into the plate but are simply nailed to it. Supported by lally columns.

The structural relationship between the rafters and the wall is the same in all types of roofs. The rafters and trusses are connected to the ridge board for a cohesive framework. A composite decking made of solid materials. Rafters are sloped beams that run from the roof s ridge to the eaves.

A horizontal timber or metal resting at the peak of the roof.