Cornice the wood or metal finishing at ends or edges.
Parts of a wooden roof.
Proper porch design is not possible without an understanding of the structural components.
It is possible to add air intake vents along the base of the upper part.
Plain flashing is where the roof meets the vertical surface horizontally.
Hip this is an external angle formed by the intersection of two sloping roof planes.
Cut away the damaged area.
However the attic section should be ventilated according to the same standards as those for ordinary attic roofs.
The rafters when combined together help to form the truss.
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.
It is a waterproofing layer made of regular felt stacked above the solid.
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.
Other parts of the roof are nailed to this later.
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.
Mansard roof or gambrel roof the lower part of the roof does not need to be ventilated.
Truss the truss is a framework comprised of wooden beams that helps to support the roof.
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.
Using seasoned or dry wood for building the sheathing prevents the wood from buckling or pulling away as the wood dries.
This article and series of illustrated diagrams shows you all the parts of a basic roof truss king truss and queen truss.
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.
There are many types of roof trusses as wall as many types of roofs more types than there are parts.
A measurement of roof area that equals 100 square feet an area 10 feet by 10 feet.
The roof truss structure and design is integral to roof structural integrity and shape.
This layer covers the rafters and is beneath the shingles and membrane layers.
Sheathing is a layer used as the base of the roof.
A few definitions may make it easier for you to communicate with roofers.
When replacing roof decking you first need to get rid of the old rotten section.
A composite decking made of solid materials it resembles real wood and particularly strong and stable for bearing heavy load.
Parts of a roof.
The same roof has a 4 12 or 1 3 pitch.
