Green Roof Soil Depth

Consult your local grower for specifics.

Green roof soil depth.

It is generally not recommended for hot climates. This is especially true of intensive green roofs which can have soil that is two feet deep or more. Some green roofs are constructed specifically to support sports turf. There are two types of green roof.

The lite system is typically used on retrofit projects when the roof is engineered with only 15 to 17 pounds per sf for the green roof component. The structural engineer must factor in the weight of completely saturated soil since the plantings and the soil will hold a significant amount of water. Sports turf requires a designed soil or growing medium to ensure effective drainage and a substrate. Plants for green roofs with a soil depth of 100mm plants for green roofs with a soil depth of 150mm so seize the opportunity to elevate your planting to a whole new level with our pick of plants for a soil depth of 50mm.

Its soil depth is a full 2 inches enough to support many low growing succulents and a limited number of accent plants. Liveroof engineered green roof soil weighs approximately 27 to 29 lbs sq. Intensive roofs which are thicker with a minimum depth of 12 8 cm 5 1 16 in and can support a wider variety of plants but are heavier and require more maintenance and extensive roofs which are shallow ranging in depth from 2 cm 13 16 in to 12 7 cm 5 in lighter than intensive green roofs and require minimal maintenance. Careful plant selection and maintenance is needed to ensure annuals do not become weeds on a green roof.

Careful species selection is needed to ensure outcomes can be met. The surface and play requirements are much more demanding than for amenity turf. Last for many decades. These require irrigation and a substrate depth of at least 200 mm.