Metal roofs are modern looking and can be used in more situations than a traditional tiled roof. Metal can be used on roofs with pitches from 1 to 90 degrees where as tiled roofs are restricted in pitch to keep the water out.
Metal roofs are light weight and therefore place less stress on the walls and foundations of your home. They do not crack in hail like tiled roofs and in fact, its quite hard to break a metal roof. Tiles can be cracked quite easily when cleaning gutters or moving aerials etc.
Colorbond has done such a terrific job of promoting their products that it is the choice for most homeowners.
The majority of leaks we are asked to repair on metal roofs are due to incorrent installation of the actual metal sheets or from the installation of airconditioners, skylights and whirly birds.
!! The durablity of your roof depends on how the materials are put together, this is why you should always ensure that whoever is installing or repairing your roof has sufficient experience and is trade qualified !!