Parts Of A Building Rooftop

Parts of a roof truss.

Parts of a building rooftop.

Most residential homeowners think of their roofs as consisting of just a single part. However there are several roofing components that combine to form a waterproof protection system for your house including roofing underlayment metal flashing and rooftop sheathing. Definition of cornice molding or cornice trim. Found underneath the downspout and used to transport the rainwater from the gutter in a direction away from the house.

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. Roof edge or eaves edge all the boards running along the edge of the roof or eaves. Another aspect to consider is roof access. Also known as a fascia.

A duct for water discharge system for a building. Other parts of the roof are nailed to this later. Many city buildings only have a hatch door with a narrow set of stairs or ladder to get to the top so a regular door staircase and or elevator maybe multiple ones need to be included as part of the project as well. 36 types of roofs.

This layer covers the rafters and is beneath the shingles and membrane layers. Sheathing is a layer used as the base of the roof. It also prevents the building and inhabitants from the ill effects of the environment. Its supporting structure and its outer skin or uppermost weatherproof layer.

In a minority of buildings the outer layer is also a self supporting structure. Sheathings are panels that envelope the rafters. Diy roof repair options. The horizontal board running at the top of a building exterior wall is a cornice molding or cornice trim board.

Other components such as metal panels or shingles are attached to the sheathing later. 30 types of roof trusses. Under the quebec construction code certain kinds of particleboard are also authorized. Some buildings have a decorative cornice while more common on simple residential structures is a plain horizontal trim board.

Usually made from 1 2 inch plywood the decking closes and reinforces the roof structure and provides a nailbed for the shingles.