Parts Of A Wooden Roof

The king post roof truss is the simplest of the trusses because of its simple composition.

Parts of a wooden roof.

Using seasoned or dry wood for building the sheathing prevents the wood from buckling or pulling away as the wood dries. When replacing roof decking you first need to get rid of the old rotten section. Other parts of the roof are nailed to this later. It is a waterproofing layer made of regular felt stacked above the solid.

Cut away the damaged area. A horizontal timber or metal resting at the peak of the roof the rafters and trusses are connected to the ridge board for a cohesive framework. A composite decking made of solid materials it resembles real wood and particularly strong and stable for bearing heavy load. 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.

Built up roof a low slope or flat seeming roof covered with alternating layers of roofing felt and hot mopped asphalt and topped off with a layer of gravel. Truss the truss is a framework comprised of wooden beams that helps to support the roof. You may need to cut a little extra to expose enough of the trusses and make sure you get rid of all the rotten wood. The decking is the base on which everything else is laid.

This layer covers the rafters and is beneath the shingles and membrane layers. Fascia this is the trim used to cover the eaves. The decking material varies but most homes have osb oriented strand board or plywood but other materials such as polystyrene concrete and metal decking is also used. The rafters when combined together help to form the truss.

It is often used in simple roof trusses such as in the shed porch and garage. Sheathing is a layer used as the base of the roof. Rafters these are wooden beams that run from the top of the roof to the bottom. Cornice the wood or metal finishing at ends or edges of a building including a fascia frieze or rake.

Roof edge or eaves edge all the boards running along the edge of the roof or eaves. Usually made from 1 2 inch plywood the decking closes and reinforces the roof structure and provides a nailbed for the shingles.