Green Roof Soil Depth

The surface and play requirements are much more demanding than for amenity turf.

Green roof soil depth.

Sports turf requires a designed soil or growing medium to ensure effective drainage and a substrate. Careful species selection is needed to ensure outcomes can be met. 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.

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. Some green roofs are constructed specifically to support sports turf. Fully saturated at 4 depth when fully vegetated with liveroof plants.

Liveroof engineered green roof soil weighs approximately 27 to 29 lbs sq. Consult your local grower for specifics. 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. 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. 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. Last for many decades. It is also important to factor in the type and lifetime of the roof membranethat will be used.