Semi Intensive Green Roof Definition

Green roofs have traditionally been categorised as extensive or intensive.

Semi intensive green roof definition.

Green roofs are also known as vegetative or eco roofs. Uniclass2015 ss 45 40 47 75 semi intensive green roof systems hide classification mappings show classification mappings. You can get a wider variety of plants suited to the conditions offered by this option. A semi intensive green roof can give rise to a richer ecology with more diverse plant and animal species.

They fall into three main categories extensive intensive and semi intensive. Semi intensive green roofs are low maintenance. Once established they will continue to develop to create a self sustaining plant community on the roof that will also provide habitat for invertebrates and bird species. A variation of the extensive green roof is called semi extensive.

A semi intensive green roof system typically comprises of items such as protection moisture control and planting systems. A typical growing medium depth for a semi intensive green roof is 6 to 12 inches. Semi intensive green roofs semi intensive green roofs require a deeper soil layer but the payoff is in the types of plantings that can be used. In addition to the mosses grasses and sedum of extensive roofs semi intensive plantings include herbs flowering plants taller grasses and small shrubs.

It also allows for a formal garden to be installed with paths grass lawn and flowers or pot plants. Vegetation on green roofs is planted in a growing substrate a specially designed soil substitution medium that may range in depth from 50 mm to more than a metre depending on the weight capacity of the building s roof and the aims of the design. Semi intensive green roof heather with lavender the ideal system build up for blooming perennials and aromatic shrubs heather with lavender is a simple intensive green roof system and allows for the inclusion of various perennials and aromatic shrubs in the plant selection.