Extensive Roof System

This multifunctional ce marked drainage system with high compressive strength protects the vegetation from water stagnation while at the same time storing water for dry periods in the built in water.

Extensive roof system.

The design is supposed to give high performance to water use and thermal advantages while keeping the overall weight of the roof low. A more traditional planted roof of built up layers is also common but the tray system offers much more flexibility and comes pre planted with mature specimens. These are covered with low growing plants such as evergreen sedums. 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.

Besides the visual impact of an extensive green roof they also provide a natural habitat for birds and insects. From a distance an extensive sedum roof can be mistaken for a grass field. Extensive roofs are typically lightweight and can be installed over a variety of structures including metal roof decks. 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.

Extensive green roofs. To start with take a look at the most simple family of green roofs. The heart of the nophadrain extensive green roof system the nd 4 1h drainage system is the ideal under layer for an extensive green roof.