Intensive Green Roof Layers

Examples of semi intensive green roofs produced by vegetal i d.

Intensive green roof layers.

Earth pledge starting from the existing roof deck and moving up the typical layers of a green roof system are. Nd tsf 100 slip and protection sheet 8. An intensive green roof is a deeper typically greater than six inches heavier system designed to sustain complex landscapes. Although there are no precise definitions of them an extensive green roof has a shallow growing medium usually less than six inches with a modest roof load limited plant diversity minimal.

Green roofs are also known as vegetative or eco roofs. Another term for these green roofs is rooftop garden. They fall into three main categories extensive intensive and semi intensive. The green roof is a basic extensive system featuring a 1 inch drainage layer and 3 inch growing medium profile.

The peggy notebeart museum features a series of green roofs ranging from a sloped extensive green roof to an intensive green roof. Examples of extensive green roofs produced by vegetal i d. The intensive portion features a 2 10 inch drainage layer and a 2 5 to 8 inch growing media layer exhibits diverse examples of habitats. Vegetative roofs also known as green roofs are thin layers of living vegetation installed on top of conventional flat or sloping roofs.

The components of a green roof. For intensive green roof profiles a drain restrictor may be used to retain water in the base of the profile for subsequent plant transpiration. 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. This is most noticeable in intensive green roofs since there is a thicker and more consistent layer of soil which provides a higher insulating value.

The intensive green roof uses planting mediums that have greater depth than the extensive green roof. The nophadrain intensive green roof system 1. A green roof is a layer of vegetation planted over a waterproofing system that is installed on top of a flat or slightly sloped roof. Waterproof membrane in many retrofit cases this layer already exists and depending on it s condition water tightness it may or may not need replacing.

This deeper soil allows intensive roofs to accommodate large plants and dramatic plant groupings. Green roofs can help reduce energy costs for a building by acting as another layer of insulation between the inside and outside of the roof. Laying course or leveling layer 6. Layers of a typical green roof.

Bright pink dianthus bloom throughout the warmer months and sedum spurium fuldaglut add bright red contrast during the fall and winter providing year round interest. Nd 4 1h drainage system drainage system for intensive green roofs 7. The green roof consists of 8 superimposed layers 1 to 8. The waterproofing membrane root barrier the drainage layer.

What is a green roof.