This truss form is often introduced into domestic housing in conjunction with the conventional duo pitched roof to form an interesting roof line.
Pitched roof roof structure terminology.
Easily identified by their triangular shape gable roofs are generally two sided with a peak formed at the top hip.
Roof slope is expressed as the ratio of a roof s rise vertical distance to each foot of run horizontal distance.
This is the most common roof shape with equal pitches on either side i e.
It has a 1 4 pitch.
Pitched roofs are constructed in two ways.
A 4 in 12 pitch means the roof rises 4 inches for every 12 inches of horizontal distance.
2 1 duo pitched roof.
The word pitch was first used in the early 17th century to denote the highest point.
Angle a equals angle b.
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.