Green Shed Roof Construction

That original information has been taken and updated new and redrawn diagrams made and multi media items added.

Green shed roof construction. Slopes and angles for green roofs the pitch of your roof determines how fast rainwater runs off it. Sample of gambrel truss plans. For this shed i used 3x2 softwood timbers at 600mm 2 ctrs which spanned 1 2m 4 with an 18mm 3 4 plywood deck. 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.

The roof will be an extensive green roof with a substrate thickness of approx 100mm. 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. To build a shed roof you ll need rafter boards plywood gusset plates plywood sheathing felt roofing paper and shingles. 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. 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. When saturated these layers can weigh in at more than 100kg per square metre or 20lbs per square foot. While redeveloping our house we decided to install a living roof on our kitchen roof why you ask.

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. I have found in all my years of building sheds that using pre built trusses is so much easier and simpler then building a shed roof with a ridge board especially if you are building your outdoor shed yourself. Make a birdsmouth notch at the end of each rafter to help it fit into place. The roof construction will be 48mm x 100mm 2 x 4 spanning approx 3 metres at 400mm centers.

Build a living roof green roof. For a wildflower roof with a 150mm depth of the substrate work on loading capacity of 250kg per square metre. There are some things you need to check before building but the job is not very difficult. Step 1 check if it is load bearing.

Make a normal flat or sloped roof into a beautiful living garden. 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.