One roof design that provides particularly great drainage is a saltbox-style roof ... The negative of these roofs is that the vertical space will be minimal in the back, so you won't have quite ...

Not only is it considered stylish, with two planes that meet in a ridge at the top, but a gable roof also provides good ...

If you have a sloping roof it's best to add vertical supports at the lower corners ... This will give good drainage and stop the structure from becoming too heavy. There's a huge range of plants ...