Roof Structure Terminology

Roof terminology is also not rigidly defined.

Roof structure terminology.

The horizontal beam connecting two rafters that intersect at the ridge. Often used in attics to add light and a pleasing design to the house. An asphalt based roof cement formulated to adhere overlapping plies or asphalt roll roofing. 1 part of a pitched roof construction that receives the feet of the spars sp ars and ceiling joist ends.

Gable a gable roof has a ridge at the center and slopes in two directions. Cupola a relatively small roofed structure generally set on the ridge or peak of a main roof area. The same roof has a 4 12 or 1 3 pitch. Dormer window a vertical window or opening coming through a sloping roof and usually provided with its own pitched roof.

A contemporary roof regardless of shape or surface material consists of a variety of components that include wood framing sheathing underlayment flashing gutters and of course the shingles or other finished surface. Types of roofs the most commonly used types of pitched roof construction are the gable the hip the intersecting and the shed or lean to. That part of a roofing waterproofing or flashing component that overlaps or covers any portion of the same or. The edge of a roof which runs from eaves to ridge at a gable.

Roof shapes vary from almost flat to steeply pitched. 2 part of a flat roof structure that receives the ends of the flat roof joists. Definition of structural ridge or ridge beam used in roof framing a structural ridge beam is a horizontal beam placed at the peak or ridge of a roof and is designed to carry much of the live and dead loads or weight of the roof structure by itself. Occurs where overlapping materials are seamed sealed or.

A vertical structure through the roof that ventilates smoke and combustion gases from a fireplace boiler or stove to the outside atmosphere. The illustration here shows how these materials go together to make for a sound roof. 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. Common types of roofs and basic framing terms.

Usages vary slightly from region to region or from one builder or architect to another. The terms pitch and slope are simply two different ways of expressing the same measurement. It is the form most commonly used by the navy. The main factors which influence the shape of roofs are the climate and the materials available for roof structure and the outer covering.