In this situation the walls of a finished attic space or room would go with the roof line.
Self supporting types of roof trusses.
Types of mono trusses 1.
A roof truss is supported by the exterior walls and span the width of the building.
A mono truss is a one sloped truss that forms a right angle triangle.
Extra support for the trusses can be made by placing a 2 by 4 inch piece of lumber from each truss on one side to the truss on the other side high enough to provide head room but low enough to provide support for the trusses.
These types of trusses are created specifically for those of us that want to engage in a roof construction without having a large budget to begin with.
Some roof truss types such as stub and dual pitch contain no center and therefore lack central support.
Nearly all types of trusses used in roofs from kingpost and queenpost to bowstring and cambered possess a central support beam.
4 types of mobile home roof trusses.
Bowstring slope half slope and flat.
These are used for large spans and this is why you can encounter then in larger spaces which include auditoriums or even railway sheds.
A mono truss roof allows for more sunlight and visual space proper drainage and relatively cheaper.
Though building a pitched roof over a flat mobile home roof is more expensive than replacing the material a self supporting roof over can dramatically increase the curb appeal function and energy efficiency of your mobile home.