Pitched Roof Roof Structure Terminology

The pitch of a roof is its vertical rise divided by its horizontal span and is a measure of its steepness.

Pitched roof roof structure terminology.

A horizontal timber beam providing intermediate. This truss form is often introduced into domestic housing in conjunction with the conventional duo pitched roof to form an interesting roof line. The slope of a roof. All four sides slope downwards and are all equal in length to form a ridge at the top of the roof.

2 4 truncated duo pitched roof. Angle a equals angle b. A roof that has two pitches on each slope. Pitched roofs are constructed in two ways.

The butt of a shingle is the end that faces down 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. Part of roof construction. 2 1 duo pitched roof.

Angle f equals angle g. Dormer window a vertical window or opening coming through a sloping roof and usually provided with its own pitched roof. This is the most common roof shape with equal pitches on either side i e. Mirrored pairs of rafters meet at a ridge and are connected across the base by a ceiling joist.

A low wall that projects beyond the eves at the edge of a roof. These roofs often include living accommodation in the roof void. Often used in attics to add light and a pleasing design to the house. Easily identified by their triangular shape gable roofs are generally two sided with a peak formed at the top hip.

A purlin normally supports the rafters where the two pitches on the same elevation meet.