Green Shed Roof Construction

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.

Green shed roof construction.

The walls will be framed from 50mm x 50mm 2 x 2 uprights with a 48mm x 100mm 2 x 4 top sill and cladding to the sides. Slopes and angles for green roofs the pitch of your roof determines how fast rainwater runs off it. To build a shed roof you ll need rafter boards plywood gusset plates plywood sheathing felt roofing paper and shingles. Make a normal flat or sloped roof into a beautiful living garden.

The roof will be an extensive green roof with a substrate thickness of approx 100mm. That original information has been taken and updated new and redrawn diagrams made and multi media items added. Build a living roof green roof. While redeveloping our house we decided to install a living roof on our kitchen roof why you ask.

Step 1 check if it is load bearing. Sample of gambrel truss plans. The roof construction will be 48mm x 100mm 2 x 4 spanning approx 3 metres at 400mm centers. 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.

For a first green shed roof i would recommend that you start off relatively small. Building a green roof on your shed is a way to add interest to the shed and produce a new area to cultivate. Partly to minimise the structural requirement and also so you can find out what works for you. I liked the idea of having a bit more greenery in the property we live.

Make a birdsmouth notch at the end of each rafter to help it fit into place. When saturated these layers can weigh in at more than 100kg per square metre or 20lbs per square foot. To support lightweight sedum green roof construction your roof needs a loading capacity of at least 120 kg per square metre. 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 this shed i used 3x2 softwood timbers at 600mm 2 ctrs which spanned 1 2m 4 with an 18mm 3 4 plywood deck. First cut your rafter boards to size using a circular saw to make sure they fit your roof. There are some things you need to check before building but the job is not very difficult.