The most popular type of green roof sedum roofs are extensive green roofs that have a total depth of 3 to 8 inches.
Sedum roof soil.
Never exceed the manufacturers recommended rate.
Sedum roofs are extensive green roofs that have a media depth of 3 8 inches.
Sedum roofs with a natural drainage layer are designed to maximize water retention while sedum roofs with a synthetic drainage layer may focus more on minimizing weight.
Sedum roof garden mix create a green roof with sedum seeds.
Too much nitrogen will encourage weeds to grow on the roof and will also kill the sedum plants.
Sedum is very resilient to diseases and insects pests.
Sedum is easy to maintain and requires little water and nutrients.
They may include a granular drainage medium multi course or a synthetic drainage layer multi layer.
As a general rule of thumb it s best to have a soil depth of at least 100mm.
They can be installed on flat roofs to roofs with a slope of up to 45 degrees.
Low weight can be crucial for huge building structures and retrofit projects with limited roof loads.
Sedum can withstand drought for example in very hot summers.
Check for bare areas.
For flat roofs only.
Sedum is a lightweight method to create a green roof thanks to the modest substrate layer depth.
For example 60mm of substrate soil and 20mm of pre vegetated mats.
There are different ways of achieving a living roof.
Extensive green roofs don t need to be deep as the recommended plants such as sedum wildflowers and herbs don t root deeply.