The most popular type of green roof, sedum roofs are extensive green roofs that have a media depth of 3-6 inches. They may include a granular drainage medium (multi-course) or a synthetic drainage layer (multi-layer). This rooflite soil system can also be used on huge building structures and retrofit projects with limited roof loads with a media depth of 2-3 inches. With a great cost-to-benefit ratio and significant stormwater retention, this system supports hardy succulents, vegetated blankets or pre-vegetated mats, and may require irrigation depending on the depth of the growth media.

We also offer a soil system specification for sedum roofs with synthetic drainage.

 

ROOFLITE PRODUCTS USED:

rooflite extensive

The ideal growth medium for extensive green roof systems with hardy and drought tolerant vegetation. Learn More

rooflite separation fabric

A root permeable fabric used to separate the growth media from the drainage layer. Learn More

rooflite drain

Granular lightweight aggregate that creates a natural root environment and can be used as an alternative to a synthetic drainage layer. It can also be used as a bedding layer when pavers or patios are specified. Learn More