Green Roof System For Shed

Even a flat roof should have some pitch so that it sheds water toward gutters.

Green roof system for shed.

For a green roof installation that pitch should be at least inch per foot of run. Waterproof first a layer of waterproofing needs to be added to your shed or garage. And also so you can find out what works for you. For plants to flourish on a green roof they will need moisture and drainage which means soil and a sturdy framework to keep it in place.

Building a green roof on your shed is a way to add interest to the shed and produce a new area to cultivate. Check that your shed is strong enough to take such weight and remember that the walls will also play a large part in bearing the load. For this shed i used 3x2 softwood timbers at 600mm 2 ctrs which spanned 1 2m 4 with an 18mm 3 4 plywood deck. You will also need to make sure that your shed s roof is waterproof.

Ideally a green roof will go on a slope up to 10 but if it s on a slope over 20 make sure you have a frame to stop the green roof from slipping. There are some things you need to check before building but the job is not very difficult. Before the plants go up a structural engineer should check to ensure that the roof can support the weight of the engineered growing medium and plants. Green roofs are made up of several layers typically a waterproof root barrier layer to protect the roof a drainage layer water retention mat then the growing medium and vegetation.

Step 1 check if it is load bearing.