How To Build A Green Roof Garden Shed

I liked the idea of having a bit more greenery in the property we live. Step 5 cut a piece of weed matting large enough to cover the roof and the inside of the frame. Screw sheets to rafters using polycarbonate roofing screws.

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You will need the following tools to fit your own green roof.

How to build a green roof garden shed - Suitable waterproofing root barrier drainage and filter layers are necessary. How to make a green roof. Make a normal flat or sloped roof into a beautiful living garden. Sit roofing on rafters with the cut edge at the top.

Make sure your sheets are square to the roof before fixing. This improves the drainage of the green roof which helps reduce soil erosion and aerate plants. If in doubt you ll need to install a sturdier framework see below. When saturated these layers can weigh in at more than 100kg per square metre or 20lbs per square foot.

Semi extensive green roofs take 12 18 months to establish during which time they will need maintenance. Substrate for the sedum to root to. 1 build the tanalised wooden roof frame. Using the l brackets join together the outer sides of the green roof structure.

Screw ridge capping over the sheets at top of the roof. Measure carefully and use the l brackets to. Pour a layer of gravel into the frame 2 3cm deep. If the pitch is more than 20 degrees from horizontal you will need to take precautions so the soil in your garden does not slip.

Waterproof membrane or pond liner. Build the outer frame first then add a central strut for strength. Build a living roof green roof. Make sure that the shed roof is fully waterproof.

Step 2 waterproof the shed. Check the roof is strong enough to bear the weight of a green roof and that the shed itself is up to it. Make a simple frame with the same dimensions as your shed s roof from pieces of rot proof timber using l brackets for the corners. Tanalised timber to build a 3cm high lip around the existing shed roof.

While redeveloping our house we decided to install a living roof on our kitchen roof why you ask. 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. Attach the frame to the roof with metal straps at each corner to prevent slippages. Step 4 build a retaining frame.

Step 3 allow for drainage. They can be created for example on a gently sloping shed roof by building a grid of wooden cells on top of the roof and filling the cells with compost. Make sure that the roof has a pitch that will enable drainage.