Vegetated roofs with large slopes require special engineering to hold the soil medium and plants from sliding off the roof.  Here’s one system that allows for installation of sloping roofs:

Features of Garden Roof® Assembly for Sloped Applications:

  • Depth (3.5” - 13” of growing media)
  • Visibility can be an architectural design feature
  • Suitable for convex, concave and other complex slopes
  • Accomodates up to 12:12 pitch (45º)
  • Beyond 3:12 requires special engineering
  • Vegetation options - plugs with GardMat® or InstaGreen® Sedum Carpet or InstaGreen® Sedum Tile or lawn sod
  • Requires maintenance depending on vegetation selection


Made from wood and an undulating green roof, a public housing project resembles a modern shire. Read more