Intensive Vs Extensive Green Roofs

The distinction is based on the kind of plant involved.

Intensive vs extensive green roofs.

They fall into three main categories extensive intensive and semi intensive. If you are looking for a low maintenance lightweight green roof that features simple and self maintaining vegetation then the extensive green roof is for you. In addition to the mosses grasses and sedum of extensive roofs semi intensive plantings include herbs flowering plants taller grasses and small shrubs. These can easily be installed on sheds and garages.

These systems range in thickness from 2 6 94 and weigh approximately 15 30lbs per sq ft. An extensive green roof is characterized by a thinner layer of soil and smaller plants. It should be clear from the above which green roof type is best for you. What is a green roof.

1 extensive vegetative roofs which are 6 inches or shallower and are frequently designed to satisfy specific engineering and performance goals and 2 intensive vegetative roofs which may become quite deep and merge into more familiar on structure plaza landscapes with promenades lawn large perennial plants and trees. 8 to 20 per square foot. Semi intensive green roofs require a deeper soil layer but the payoff is in the types of plantings that can be used. Intensive includes a thick layer of soil that can support large vegetation such as small trees.

Typically these roofs will have more soil and some small shrubs as well as the low growing wildflowers and sedums found on an extensive roof. 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. A green roof comes in two varieties. Although there are no precise definitions of.

Extensive green roofs. A semi intensive green roof can give rise to a richer ecology with more diverse plant and animal species. Intensive vs extensive green roof. Vegetative roofs are divided into two categories.

Extensive green roof an extensive green roof system is characterized of its vegetation ranging from sedums to small grasses herbs and flowering herbaceous plants which need little maintenance and no permanent irrigation system the growing medium depth for an extensive green roof system is typically 6 inches or less. Green roofs are also known as vegetative or eco roofs. The plants that are mostly used on extensively planted roofs include grasses mosses herbs and succulents. Due to their light weight and low profile they require less structural support and can be used on roofs with a slope of 30 b0 and higher.

These systems are ideal for efficient stormwater. Extensive green roof systems extensive systems are simpler and lighter weight than intensive systems. For a conventional roof. Intensive planting there are two ways of planting a roof.