Attic Structure Definition

The utility of this type of structure in buildings is that a large amount of the exterior envelope remains unobstructed and can be used for windows and door openings.

Attic structure definition. First is the frame of the roof structure. Originally the word denoted any portion of a wall above the main cornice. The model building codes allow both vented and unvented roof assemblies. Such roofs are built with mostly timber take a number of different shapes and are covered with a variety of materials.

Eaves are the edges of a roof typically overhanging the vertical exterior walls of a building. Horizontal line at the top of the roof. Eaves on a sloped roof the horizontal underside that projects out from the house wall. Some of these can support the roof and prevent ridge sagging and wall spreading.

Attics or roofs can be designed and constructed to be either vented or unvented in any hygro thermal zone map 1. Domestic roof construction is the framing and roof covering which is found on most detached houses in cold and temperate climates. The rafters are the supporting beams that run from the apex to the bottom of a roof holding up the truss. Utilized by the ancient romans principally for decorative purposes and inscriptions as in triumphal arches it became an important part of the renaissance facade often enclosing an additional story the windows of which became part of the decoration.

The structure is a series of trusses beams and rafters that give the roof its shape and that the roof sheathing is laid upon. Attic in architecture story immediately under the roof of a structure and wholly or partly within the roof framing. Traditional rafters look like triangles. Trusses look like triangles with smaller triangles inside of them the boards forming these small triangles are called chords and webs.

In some applications this is preferable to a braced frame system which would leave some areas obstructed by the diagonal braces. The choice of venting or not venting is a design and construction choice not a requirement determined by the physics or by the building code. The v cut angle along the junction of two slopes of a roof. This article describes and illustrates the different types of support that prevents roof sagging and wall bulging at buildings including definitions of collar ties rafter ties and structural ridge beams.

Collar ties rafter ties tension beams structural ridge beams. Roof rafters or trusses. An l shaped metal strip positioned along a roof s edges to allow water to run off the roof without running down the eaves or siding. When you see a home under construction and see lumber connected on top of the main housing structure you are looking at the roofing structure.