Pitched roofs in the UK are either constructed on site are often called traditional or 'cut' roofs.
Other than that 'trussed rafter' construction uses pre-made sets of rafters that are trussed together and lifted onto the roof by crane on site. These can be obtained through specialist joinery/carpentry companies. An architect or surveyor can guide you on types that are suitable. You will need to consider the type of construction you are fitting the roof to, live loadings from wind forces, type and weight of tiles or shingle to be fitted to it etc.
Alternatives are flat roofs of which there are many varied types. All will be subject to local planning regulations.
a gable roof is double pitched with vertical ends
a double pitched roof is called a penis. mwahahaha.
Yes
book -room on the roof
Removing deep snow in layers and removing snow on both sides of a low-pitched roof as you go.
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The Room On The Roof was written by Ruskin Bond.
The Room on the Roof by Ruskin Bond was published in 1956.
The angle, in comparison to "level".
A flat roof is a maintenance nightmare year after year. So many people have made that mistake only to later put a pitched roof over the flat roof to avoid any more hassle.
Ruskin Bond wrote the book 'The room on the roof'.
A gabled roof is the triangular portion of a wall between the edges. It is the sloping roof. Thus the type of enclosing roof the volume dictates the shape of the gable. If you built a room over the roof is not possible. So you replace the roof and raise walls and ceiling of the room and replace the roof.