Unusual soil depth for the green roof at Norfolk Botanical Garden will foster more plants, birds and insects — and food for ...

Then, soil, drainage medium, and plants can be added in layers or as modular units like those for a green roof. The whole ...

Green roofs, also known as living roofs ... The roof must have a waterproof membrane and a proper drainage system in order to ...

This will give good drainage and stop the structure from becoming too heavy. There's a huge range of plants you can choose from that will grow on your green roof, but try to choose ones which will ...

Put simply, a green roof is one that is fully or partially ... which is designed to retain water even on sloping roofs Below the drainage element is the moisture mat which retains moisture as ...