Parts Of Roof Construction

A roof is an important part of all buildings.

Parts of roof construction. 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. Using seasoned or dry wood for building the sheathing prevents the wood from buckling or pulling away as the wood dries. 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. The rafters and trusses are connected to the ridge board for a cohesive framework.

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. Sheathing is a layer used as the base of the 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 horizontal timber or metal resting at the peak of the roof.

The points of the roof that project from the side walls of the house. A composite decking made of solid materials. The surface to which the shingles and or panels are applied. The soffit is the enclosed portion of the roof that overhangs the house walls at the roof lower edges.

It resembles real wood and particularly strong and stable for bearing heavy load. It also prevents the building and inhabitants from the ill effects of the environment. An example of each is shown in figure 2 1. 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.

Other parts of the roof are nailed to this later. The construction of a typical roof overhang eave or soffit is shown in our sketch. This layer covers the rafters and is beneath the shingles and membrane layers. Roof sheathing or roof decking.

The most commonly used types of pitched roof construction are the gable the hip the intersecting and the shed or lean to. Gutter and downspout the key role of a roof is to protect your house from water and to make that. Tie down fixings tie down fixings are used to resist uplift and shear forces lateral loads in floor framing wall framing and roof framing. Here s a closer look at several other components of your rooftop system.

Rows of shingles or tiles installed horizontally. Flashing if you have vent pipes chimneys or valleys on your roof you need to protect them and seal them against.