While many people consider the size of a shed first and foremost when purchasing one for the backyard or garden ... the roof. The roof can have a big impact on a shed's functionality and drainage.

One of our readers, Rune Eriksen*, sent us photos of his design for a home-built deck drainage system ... but Rune'stactic of adding a roof to a deck seems to be just as effective.

This will give good drainage and stop the structure from becoming too heavy. There's a huge range of plants you can choose from that will grow on your green roof, but try to choose ones which will ...