Pitched Roof Roof Structure Terminology

A 4 in 12 pitch means the roof rises 4 inches for every 12 inches of horizontal distance.

Pitched roof roof structure terminology. 2 1 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 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. 2 4 truncated duo pitched roof.

This truss form is often introduced into domestic housing in conjunction with the conventional duo pitched roof to form an interesting roof line. Angle f equals angle g. The pitch of a roof is its vertical rise divided by its horizontal span and is a measure of its steepness. The word pitch was first used in the early 17th century to denote the highest point.

It has a 1 4 pitch. Roof slope is expressed as the ratio of a roof s rise vertical distance to each foot of run horizontal distance. Pitched roofs are constructed in two ways.