Intensive Green Roof Layers

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.

Intensive green roof layers.

The green roof consists of 8 superimposed layers 1 to 8. Examples of extensive green roofs produced by vegetal i d. 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 extensive green roof is a thin usually less than six inches lightweight system that is typically predominantly planted with succulents drought tolerant ground covering plants and grass. 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. Nd wsm 50 water reservoir panels 4.

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

The nophadrain intensive green roof system 1. For intensive green roof profiles a drain restrictor may be used to retain water in the base of the profile for subsequent plant transpiration. Nd 4 1h drainage system drainage system for intensive green roofs 7. The waterproofing membrane root barrier the drainage layer.

The intensive green roof uses planting mediums that have greater depth than the extensive green roof. The green roof is a basic extensive system featuring a 1 inch drainage layer and 3 inch growing medium profile. Another term for these green roofs is rooftop garden. Laying course or leveling layer 6.

The basic anatomy of a green roof consists of vegetation growing medium filter membrane drainage layer waterproof root repellant layer roofing membrane support for plantings above thermal insulation vapor control layer and structural roof support. Layers of a typical green roof. An intensive green roof is a deeper typically greater than six inches heavier system designed to sustain complex landscapes. The incredible set up of this green roof supports flora ranging from wetland plants to small trees.

The load bearing component of the roof. All three types of roofs require specific layers of roofing materials not found on regular roofs. 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.