Flat Green Roof Design

Vegetative roofs also known as green roofs are thin layers of living vegetation installed on top of conventional flat or sloping roofs.

Flat green roof design.

If the fundamental job of a roof is to cover a space and prevent water from seeping inside then the simplest and most elemental roofing design would be heavily slanted. This said even with contemporary technology flat roofs aren t easy to design with success. A green roof is composed of multiple layers which may include a waterproofing roof protection layer moisture interception layer drainage layer leak detection. While it is true that sloped roofs have historically been more popular than flat ones modern architecture has made use of the flat roof due to is perceived aesthetic value.

A green roof is in ecological terms a great and simple thing to do. It can be sloped or flat. Green roofs are suitable for any pitch of roof. Unlike pitched green roofs flat green roofs can either take the form of extensive consisting of a thin layer of turf or sedum matting or intensive characterised by a greater soil depth that can even accommodate shrubs.

It replaces the ecology the new house sits upon thereby replacing the habitat that a house takes away. You just need to build up the core layers as per manufacturer s instructions when constructing a green flat roof. Green roofs living roofs. Green roofs flat knowledge of green roof construction methods and the benefits of incorporating them in building design is steadily becoming more widespread in the uk.

Green roofs also referred to as vegetated roofs eco roofs and roof gardens consist of a layer of vegetation that covers an otherwise conventional flat or moderately pitched roof. Designing green roofs in a development may gain support which can help to secure planning consent it may be possible to retrofit green roofs on certain buildings without planning consent although the planning authority should be consulted if there is any doubt. Even the secret to the success of green roofs which provide an added. Providing incentives to developers who design vegetated roof.

Flat green roof design considerations. We have chosen to use the word vegetative rather than the word green in this guide because a non vegetative roof could be considered to be environmentally green without being vegetative. Used over a whole roof a green roof will be the single overriding design influence on the house as well as impacting on the construction right down to the foundations. When constructing a flat green roof the design aspect is much simpler.

With modern technology a lot of the flaws and design issues that might have befallen a flat roof can be mitigated as well so it s not so much a question of. Is a thinner lighter version that looks more similar to a standard roof.