An example of each is shown in figure 2 1.
Parts of roof construction.
Parts of a roof decking or sheathing roof edge or eaves edge attic saddle ridge valley underlay membrane eaves membrane underlay membrane drip edge roof vents deflector plumbing vent flashing joint covers shingles.
The most commonly used types of pitched roof construction are the gable the hip the intersecting and the shed or lean to.
Construction of a rafter roof a simple rafter roof consists of rafters that the rafter foot rest on horizontal wall plates on top of each wall.
A roof is an important part of all buildings.
A horizontal timber or metal resting at the peak of the roof.
The surface to which the shingles and or panels are applied.
Roof sheathing or roof decking.
Here s a closer look at several other components of your rooftop system.
A composite decking made of solid materials.
The most important item in housing is to have a roof over one s head a roof is a layer which covers the structure from the top.
Rows of shingles or tiles installed horizontally.
A structure composed of walls and a roof surrounding a.
Gutter and downspout the key role of a roof is to protect your house from water and to make that.
The construction of a typical roof overhang eave or soffit is shown in our sketch.
It usually consists of either plywood or oriented strand board osb.
Other parts of the roof are nailed to this later.
The soffit is the enclosed portion of the roof that overhangs the house walls at the roof lower edges.
The points of the roof that project from the side walls of the house.
Using seasoned or dry wood for building the sheathing prevents the wood from buckling or pulling away as the wood dries.
This layer covers the rafters and is beneath the shingles and membrane layers.
The top ends of the rafters often meet at a ridge beam but may butt directly to another rafter to form a pair of rafters called a couple.
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.
Sheathing is a layer used as the base of the roof.
It resembles real wood and particularly strong and stable for bearing heavy load.
Common parts components of a roof.
The rafters and trusses are connected to the ridge board for a cohesive framework.