Pitched Roof Roof Structure Terminology

2 1 duo pitched roof.

Pitched roof roof structure terminology.

Collar tie also collar beam in profile the framing of a conventional pitched roof forms a triangle. The pitch of a roof is its vertical rise divided by its horizontal span and is a measure of its steepness. Mirrored pairs of rafters meet at a ridge and are connected across the base by a ceiling joist. The inherent strength and integrity of the triangular form makes the roof a sound structure.

Angle a equals angle b. A horizontal timber beam providing intermediate. Angle f equals angle g. A pitched roof is a roof that slopes downwards typically in two parts at an angle from a central ridge but sometimes in one part from one edge to another.

A purlin normally supports the rafters where the two pitches on the same elevation meet. Easily identified by their triangular shape gable roofs are generally two sided with a peak formed at the top hip. A low wall that projects beyond the eves at the edge of a roof. A roof that has two pitches on each slope.

Pitched roofs are constructed in two ways. These roofs often include living accommodation in the roof void. Dormer window a vertical window or opening coming through a sloping roof and usually provided with its own pitched roof. Part of roof construction.

The butt of a shingle is the end that faces down roof. Cupola a relatively small roofed structure generally set on the ridge or peak of a main roof area. Often used in attics to add light and a pleasing design to the house. The slope of a roof.

This is the most common roof shape with equal pitches on either side i e.