Flat Green Roof Design

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.

Flat green roof design.

A green roof is composed of multiple layers which may include a waterproofing roof protection layer moisture interception layer drainage layer leak detection. It replaces the ecology the new house sits upon thereby replacing the habitat that a house takes away. When constructing a flat green roof the design aspect is much simpler. 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.

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. 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. Even the secret to the success of green roofs which provide an added. Green roofs living roofs.

Flat green roof design considerations. It can be sloped or flat. For a start there are no tricky gable end spaces to try and navigate when opening up the upper levels in flat roof houses plus you can use the roof itself as an outdoor terrace which will be a. Providing incentives to developers who design vegetated roof.

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. Vegetative roofs also known as green roofs are thin layers of living vegetation installed on top of conventional flat or sloping roofs. This said even with contemporary technology flat roofs aren t easy to design with success. Pitched green roof design considerations.

A green roof is in ecological terms a great and simple thing to do. You just need to build up the core layers as per manufacturer s instructions when constructing a green flat roof. 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. Don t go thinking that modern houses with flat roofs only look good though as these innovative designs actually have practical properties as well.

Is a thinner lighter version that looks more similar to a standard roof. 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.