Green Shed Roof Construction

When saturated these layers can weigh in at more than 100kg per square metre or 20lbs per square foot.

Green shed roof construction. The roof construction will be 48mm x 100mm 2 x 4 spanning approx 3 metres at 400mm centers. This online guide is designed to meet the needs of diy enthusiasts looking to put a green roof on a shed or outhouse builders and landscaper contractors who want to build green roofs. Make a normal flat or sloped roof into a beautiful living garden. This website based guide builds on the material and information in our original pdf the diy guide to green living roofs which we published in 2008.

While redeveloping our house we decided to install a living roof on our kitchen roof why you ask. There are some things you need to check before building but the job is not very difficult. Make a birdsmouth notch at the end of each rafter to help it fit into place. That original information has been taken and updated new and redrawn diagrams made and multi media items added.

To build a shed roof you ll need rafter boards plywood gusset plates plywood sheathing felt roofing paper and shingles. Sample of gambrel truss plans. For a first green shed roof i would recommend that you start off relatively small. To support lightweight sedum green roof construction your roof needs a loading capacity of at least 120 kg per square metre.

First cut your rafter boards to size using a circular saw to make sure they fit your roof. The roof will be an extensive green roof with a substrate thickness of approx 100mm. Build a living roof green roof. 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. Slopes and angles for green roofs the pitch of your roof determines how fast rainwater runs off it. Building a green roof on your shed is a way to add interest to the shed and produce a new area to cultivate. For a wildflower roof with a 150mm depth of the substrate work on loading capacity of 250kg per square metre.

For this shed i used 3x2 softwood timbers at 600mm 2 ctrs which spanned 1 2m 4 with an 18mm 3 4 plywood deck. Building a shed roof with trusses. Partly to minimise the structural requirement and also so you can find out what works for you.