Extensive Green Roof System

They fall into three main categories extensive intensive and semi intensive.

Extensive green roof system.

Extensive green roofs. Urbanscape is the first in the green roof industry to publish a system epd environmental product declaration for its extensive green roof system. Extensive green roofs sedum roof systems. These systems are ideal for efficient stormwater.

Green roofs are also known as vegetative or eco roofs. For architects and specifiers looking to earn points in building rating systems such as breeam leed dgnb or hqe this epd can now provide points for categories such as product disclosure. The biggest benefit of extensive green roofs is that they need very little maintenance. Extensive systems weigh anywhere from 10 to 25 pounds per square foot when dry which is why the interlocking system of trays is important otherwise strong winds could very easily blow the plantings away.

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. 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.