Parts Of A Wooden Roof

However the attic section should be ventilated according to the same standards as those for ordinary attic roofs.

Parts of a wooden roof.

It is possible to add air intake vents along the base of the upper part. Parts of a roof. When replacing roof decking you first need to get rid of the old rotten section. It is a waterproofing layer made of regular felt stacked above the solid.

A measurement of roof area that equals 100 square feet an area 10 feet by 10 feet. Truss the truss is a framework comprised of wooden beams that helps to support the roof. The roof truss structure and design is integral to roof structural integrity and shape. 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.

Cut away the damaged area. Plain flashing is where the roof meets the vertical surface horizontally. Sheathing is a layer used as the base of the roof. Cornice the wood or metal finishing at ends or edges.

While it is not within the scope of this guide to provide detailed instruction in the actual construction of a porch we feel it is important to have at least a basic knowledge of the structural aspects as they greatly effect the overall success of any porch. Hip this is an external angle formed by the intersection of two sloping roof planes. A composite decking made of solid materials it resembles real wood and particularly strong and stable for bearing heavy load. Set the depth of your circular saw to the thickness of the roof decking.

Other parts of the roof are nailed to this later. Mansard roof or gambrel roof the lower part of the roof does not need to be ventilated. Using seasoned or dry wood for building the sheathing prevents the wood from buckling or pulling away as the wood dries. The same roof has a 4 12 or 1 3 pitch.

This layer covers the rafters and is beneath the shingles and membrane layers. Slope a roof s slope is the number of inches it rises for every 12 inches of horizontal run a roof with a 4 in 12 slope rises 4 inches for every 12 inches of horizontal run. Rafters these are wooden beams that run from the top of the roof to the bottom. Proper porch design is not possible without an understanding of the structural components.

There are many types of roof trusses as wall as many types of roofs more types than there are parts. The rafters when combined together help to form the truss. This article and series of illustrated diagrams shows you all the parts of a basic roof truss king truss and queen truss. A few definitions may make it easier for you to communicate with roofers.