Roof Structure Nomenclature

The terms pitch and slope are simply two different ways of expressing the same measurement.

Roof structure nomenclature.

They are generally covered in either a metal like zinc or copper or with a green roof made up of turf planted with sedums. A raised structure running part or all of the way along the ridge of a double pitched roof with its own roof running parallel with the main roof butterfly roof v roof london roof. The rafters are not framed into the. 2 part of a flat roof structure that receives the ends of the flat roof joists.

Often used in attics to add light and a pleasing design to the house. A kink separates the roof into two parts running towards each other at an obtuse angle. The same roof has a 4 12 or 1 3 pitch. A v shaped roof resembling an open book.

Intricate roofs have many parts that incorporate several of the basic roof designs such as a gable roof sitting atop a gambrel or variations of the gable valley roof design using one or a variety of different types of roof trusses also see our very detailed diagrams showing the different parts of a roof truss. Roof features associated with basic roof framing terms are shown in figure 2 2. The structural relationship between the rafters and the wall is the same in all types of roofs. 1 part of a pitched roof construction that receives the feet of the spars sp ars and ceiling joist ends.

Also known as a fascia. Diagnostic building inspections and 24 hour response mold test lab service. Also different architectural styles will use the same type of roof. Cupola a relatively small roofed structure generally set on the ridge or peak of a main roof area.

In structural terms they tend to be variants on flat roofing using curved timber glulam beams under a plywood covering. A roof with a monitor. Parts of both the walls and the roof. Roof edge or eaves edge all the boards running along the edge of the roof or eaves.

Ashi home inspection terms and definitions authoritative expert building diagnostic and repair advice building and home inspections building science based research and advice on building inspection home inspection indoor air quality toxic black mold detection cleanup and repair. The horizontal beam connecting two rafters that intersect at the ridge. A vertical structure through the roof that ventilates smoke and combustion gases from a fireplace boiler or stove to the outside atmosphere. Usually made from 1 2 inch plywood the decking closes and reinforces the roof structure and provides a nailbed for the shingles.

Refer to the figure as you study. A roof s slope is the number of inches it rises for every 12 inches of horizontal run a roof with a 4 in 12 slope rises 4 inches for every 12 inches of horizontal run. Curved roof shapes are currently the height of fashion at least on upmarket builds. Roof framing terms are related to the parts of a triangle.