Other parts of the roof are nailed to this later.
Roofing construction parts.
Parts of a roof 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.
A roof is the top covering of a building including all materials and constructions necessary to support it on the walls of the building or on uprights providing protection against rain snow sunlight extremes of temperature and wind.
The construction of a typical roof overhang eave or soffit is shown in our sketch.
A composite decking made of solid materials it resembles real wood and particularly strong and stable for bearing heavy load.
Using seasoned or dry wood for building the sheathing prevents the wood from buckling or pulling away as the wood dries.
There are several types.
A roof is part of the building envelope.
This layer covers the rafters and is beneath the shingles and membrane layers.
See wood roof sheathing underlayment also see insulation inspection improvement.
The soffit is the enclosed portion of the roof that overhangs the house walls at the roof lower edges.
Sheathing is a layer used as the base of the roof.
Domestic roof construction is the framing and roof covering which is found on most detached houses in cold and temperate climates.
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.
Also known as a fascia.
In 80 of residential houses shingles are made of asphalt or asphalt composition materials.
Under the quebec construction code certain kinds of particleboard are also authorized.
Roof sheathing or roof decking.
Usually made from 1 2 inch plywood the decking closes and reinforces the roof structure and provides a nailbed for the shingles.
A roof provides protection from the elements and precipitation helps drain water away from a structure and provides insulation that helps keep the interior of a building warm or cool depending on the season.
Finally the exterior layer exposed to the elements wind rain snow hail is the shingle layer.
Such roofs are built with mostly timber take a number of different shapes and are covered with a variety of materials.
The characteristics of a roof are dependent upon the purpose of the building that it covers the available roofing.
A roof is much more than just the decorative top of a building.
It is a waterproofing layer made of regular felt stacked above the solid.
Roof edge or eaves edge all the boards running along the edge of the roof or eaves.
