Semi Intensive Green Roof Layers

Planting and waterproofing typically this will be a drainage layer and 100 170mm of semi intensive substrate and the plant material that has been chosen i e.

Semi intensive green roof layers.

Comparison of the various green roofs an extensive green roof is characterised by its low weight a thin layer of growing medium green substrate a mix of plants adapted to conditions on the roof minimum maintenance and low installation costs. Semi intensive green roof the layers of a green roof regardless of the depth of growing media soil and plant types used above the underlying architectural elements of most vegetated roof systems are typically the same with each layer playing a crucial role. In addition to the mosses grasses and sedum of extensive roofs semi intensive plantings include herbs flowering plants taller grasses and small shrubs. Nd tsf 100 slip and protection sheet 8.

Nd 4 1h drainage system drainage system for intensive green roofs 7. There are three basic types of green roof. They fall into three main categories extensive intensive and semi intensive. Their main function is to incorporate a thin layer of air within the profile of a green roof system while also providing lateral water movement.

Standard composition nophadrain intensive green roof system. Semi intensive green roofs require a deeper soil layer but the payoff is in the types of plantings that can be used. The green roof solutions air layers serve multiple purposes. Nd wsm 50 water reservoir panels 4.

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. Three types of green roofs exist. Semi intensive roofs are not designed to be heavily trafficked and can be installed on flat to shallow pitched roofs. Common uses of the grs air layers are.

Turf plug or seed. Green roofs are also known as vegetative or eco roofs. Consists of a thick layer of soil 50 200mm in which a variety of grasses herbs flowers and shrubs can grow. These products work in conjunction with the primary drainage component within the green roof system.

The green roof supports over twenty eight different plant species ranging from sedums herbaceous plants tall grasses and small shrubs creating a rich and bio diverse community for local fauna. Laying course or leveling layer 6. Extensive semi intensive and intensive green roofs. Nd dgs i substrate intensive 3.