Pitched Roof Roof Structure Terminology

Cupola a relatively small roofed structure generally set on the ridge or peak of a main roof area.

Pitched roof roof structure terminology.

The slope of a roof. Dormer window a vertical window or opening coming through a sloping roof and usually provided with its own pitched roof. The inherent strength and integrity of the triangular form makes the roof a sound structure. A purlin normally supports the rafters where the two pitches on the same elevation meet.

The butt of a shingle is the end that faces down roof. Pitched roofs are constructed in two ways. Mirrored pairs of rafters meet at a ridge and are connected across the base by a ceiling joist. A roof that has two pitches on each slope.

This truss form is often introduced into domestic housing in conjunction with the conventional duo pitched roof to form an interesting roof line. Often used in attics to add light and a pleasing design to the house. These roofs often include living accommodation in the roof void. 2 1 duo pitched roof.

Collar tie also collar beam in profile the framing of a conventional pitched roof forms a triangle. All four sides slope downwards and are all equal in length to form a ridge at the top of the roof. Angle a equals angle b. Angle f equals angle g.

A low wall that projects beyond the eves at the edge of a roof. The pitch of a roof is its vertical rise divided by its horizontal span and is a measure of its steepness. 2 4 truncated duo pitched roof. 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.

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