Growing Media For Green Roofs

Green roof growing medium what s so special about it.

Growing media for green roofs.

Extensive media is our lightest media blend for green roof systems requiring less than 45 pounds of saturated system weight. Compost or organic matter organic matter provides basic nutrients and is able to retain moisture. The extensive green roof lightweight cost effective and probably the most popular of the green roofs. This of course can be reflected in the cost of building materials.

Over a 100m2 green roof with 10cm depth of growing medium the weight saved by using substrate instead of soil is considerable. To better understand the full use of a green roof system we have broken down the layers here. Suitable for shallow rooting green roof plants such as sedum sempervivum and other drought tolerant species. The growing media needed to facilitate a healthy green roof will be determined by the type of vegetative growth.

Engineered for extensive green roofs with a media depth of 6 inches or less. Before the growing media is selected there are other layers of the green roof system which play major roles in the functionality of the roof. Soil structure for green roof media lightweight volcanic aggregate such as pumice or lava. However the factors allowing for a lightweight roof can create a high stress environment for plant material.

The combination of experience and state of the art equipment allows us to install materials quickly and efficiently. Sand required to.