Pitched Roof Roof Structure Terminology

The slope of a roof.

Pitched roof roof structure terminology.

A low wall that projects beyond the eves at the edge of a 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. The pitch of a roof is its vertical rise divided by its horizontal span and is a measure of its steepness. Often used in attics to add light and a pleasing design to the house.

Mirrored pairs of rafters meet at a ridge and are connected across the base by a ceiling joist. Pitched roofs are constructed in two ways. This truss form is often introduced into domestic housing in conjunction with the conventional duo pitched roof to form an interesting roof line. The inherent strength and integrity of the triangular form makes the roof a sound structure.

Angle f equals angle g. 2 4 truncated duo pitched roof. All four sides slope downwards and are all equal in length to form a ridge at the top of the roof. A horizontal timber beam providing intermediate.

These roofs often include living accommodation in the roof void. 2 1 duo pitched roof. This is the most common roof shape with equal pitches on either side i e. Dormer window a vertical window or opening coming through a sloping roof and usually provided with its own pitched roof.

A roof that has two pitches on each slope. A purlin normally supports the rafters where the two pitches on the same elevation meet. Cupola a relatively small roofed structure generally set on the ridge or peak of a main roof area. Angle a equals angle b.

The butt of a shingle is the end that faces down roof.