Green Roof System For Shed

And also so you can find out what works for you.

Green roof system for shed.

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. Even a flat roof should have some pitch so that it sheds water toward gutters. You will also need to make sure that your shed s roof is waterproof. Building a green roof on your shed is a way to add interest to the shed and produce a new area to cultivate.

Waterproof first a layer of waterproofing needs to be added to your shed or garage. 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. 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. There are some things you need to check before building but the job is not very difficult.

When saturated these layers can weigh in at more than 100kg per square metre or 20lbs per square foot. For this shed i used 3x2 softwood timbers at 600mm 2 ctrs which spanned 1 2m 4 with an 18mm 3 4 plywood deck. Enough to support the roof build up which comprised. For a first green shed roof i would recommend that you start off relatively small.

Step 1 check if it is load bearing.