Parts Of A Wooden Roof

A composite decking made of solid materials it resembles real wood and particularly strong and stable for bearing heavy load.

Parts of a wooden roof. Rafters these are wooden beams that run from the top of the roof to the bottom. 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. The decking is attached with nails onto the rafters creating the foundation of the roof system. 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.

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. This layer covers the rafters and is beneath the shingles and membrane layers. 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. When replacing roof decking you first need to get rid of the old rotten section.

Under the quebec construction code certain kinds of particleboard are also authorized. Sheathing is a layer used as the base of the roof. Truss the truss is a framework comprised of wooden beams that helps to support the roof. Using seasoned or dry wood for building the sheathing prevents the wood from buckling or pulling away as the wood dries.

Set the depth of your circular saw to the thickness of the roof decking. The decking is the base on which everything else is laid. Cornice the wood or metal finishing at ends or edges of a building including a fascia frieze or rake. It is often used in simple roof trusses such as in the shed porch and garage.

The rafters when combined together help to form the truss. Cut away the damaged area. Usually made from 1 2 inch plywood the decking closes and reinforces the roof structure and provides a nailbed for the shingles. It is a waterproofing layer made of regular felt stacked above the solid.

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. Roof edge or eaves edge all the boards running along the edge of the roof or eaves.